is the equation 3(2x – 4) = (-18) equivalent to 6x – 12 = (-18)?

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Is the equation 3(2x – 4) = (-18) equivalent to 6x – 12 = (-18)? A. Yes, the equations are equivalent by the Associative Property of Multiplication. B. Yes, the equations are equivalent by the Commutative Property of Multiplication. C. Yes, the equations are equivalent by the distributive property of Multiplication over Addition. D. No, the equations are not equivalent. CST Algebra 1 A1.1

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Is the equation 3(2x – 4) = (-18) equivalent to 6x – 12 = (-18)? Yes, the equations are equivalent by the Associative Property of Multiplication. Yes, the equations are equivalent by the Commutative Property of Multiplication. - PowerPoint PPT Presentation

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Page 1: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 1

Is the equation 3(2x – 4) = (-18) equivalent to 6x – 12 = (-18)?

A. Yes, the equations are equivalent by the Associative Property of Multiplication.

B. Yes, the equations are equivalent by the Commutative Property of Multiplication.

C. Yes, the equations are equivalent by the distributive property of Multiplication over Addition.

D. No, the equations are not equivalent.

1 A1.1

Page 2: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 2

A1.1

Page 3: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 3

A. 4B. 6C. 9D. 10

3

316 8

A2.0

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CST Algebra 4

Which expression is equivalent to

A. C.

B. D.

4

6 2x x

4 3x x5 3x x

7 3x x9 3x x

A2.0

Page 5: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 5

Which number does not have a reciprocal?

A. -1

B. 0

C.

D. 3

5

11000

A2.0

Page 6: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 6

What is the multiplicative inverse of ?

A. -2

B.

C.

D. 2

6

12

12

12

A2.0

Page 7: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 7

What is the solution for this equation?

A. x = -4 or x = 4

B. x = -4 or x = 3

C. x = -1 or x = 4

D. x = -1 or x = 3

7

2 3 5x

A3.0

Page 8: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 8

What is the solution set of the inequality

A. -2 ≤ x ≤ 6

B. x ≤ -2 or x ≥ 6

C. -12 ≤ x ≤ 4

D. x ≤ -12 or x ≥ 4

8

5 4 3?x

A3.0

Page 9: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 9

Which equation is equivalent to 5x – 2(7x + 1) = 14x ?

A. -9x – 2 = 14x

B. -9x + 1 = 14x

C. -9x + 2 = 14x

D. 12x – 1 = 14x

9 A4.0

Page 10: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 10

Which equation is equivalent to 4(2 – 5x) = 6 – 3( 1 – 3x)?

A. 8x = 5

B. 8x = 17

C. 29x = 5

D. 29x = 17

10 A4.0

Page 11: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 11

A4.0

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CST Algebra 12

The total cost (c) in dollars of renting a sailboat for n days is given by the equation

c = 120 + 60n.If the total cost was $360, for how many days was the sailboat rented?

A. 2B. 4C. 6D. 8

12

A5.0

Page 13: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 13

Solve: 3(x + 5) = 2x + 35

Step 1: 3x + 15 = 2x + 35Step 2: 5x + 15 = 35Step 3: 5x = 20Step 4: x = 4

Which is the first incorrect step in the solution shown above?

A. Step 1B. Step 2C. Step 3D. Step 413 A5.0

Page 14: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 14

A 120-foot-long rope is cut into 3 pieces. The first piece of rope is twice as long as the second piece of rope. The third piece of rope is three times as long as the second piece of rope. What is the length of the longest piece of rope?

A. 20 feetB. 40 feetC. 60 feetD. 80 feet

14 A5.0

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CST Algebra 15

The cost to rent a construction crane is $750 per day plus $250 per hour of use. What is the maximum number of hours the crane can be used each day if the rental cost is not to exceed $2500 per day?

A. 2.5 hoursB. 3.7 hoursC. 7.0 hoursD. 13.0 hours

15

A5.0

Page 16: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 16

What is the solution to the inequality x – 5 > 14 ?

A. x > 9B. x > 19C. x < 9D. x < 19

16

A5.0

Page 17: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 17

The lengths of the sides of a triangle are y, y + 1, and 7 centimeters. If the perimeter is 56 centimeters, what is the value of y?

A. 24B. 25C. 31D. 32

17

A5.0

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CST Algebra 18

A5.0

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CST Algebra 19

Which number serves as a counterexample to the statement below?

All positive integers are divisible by 2 or 3.

A. 100B. 57C. 30D. 25

19

A24.1

Page 20: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 20

What is the conclusion of the statement in the box below?

If = 4, then x = -2 or x = 2

A. = 4B. x = -2C. x = 2D. x = -2 or x = 2

20

2x

2x

A24.2

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CST Algebra 21

Which of the following is a valid conclusion to the statement “If a student is a high school band member, then the student is a good musician”?

A. All good musicians are high school band members.

B. A student is a high school band member.

C. All students are good musicians.

D. All high school band members are good musicians.

21

A24.2

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CST Algebra 22

The chart below shows an expression evaluated for fourdifferent values of x.

Josiah concluded that for all positive values of x,produces a prime number. Which value of x serves as acounterexample to prove Josiah’s conclusion false? A. 5B. 11C. 16D. 2122

X

1 7

2 11

6 47

7 61

2 5x x

2 5x x

A24.3

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CST Algebra 23

John’s solution to an equation is shown below,Given:Step 1: (x + 2)(x + 3) = 0Step 2: x + 2 = 0 or x + 3 = 0Step 3: x = -2 or x = -3

Which property of real numbers did John use for Step 2?

A. Multiplication property of equalityB. Zero product property of multiplicationC. Commutative property of multiplicationD. Distributive property of multiplication over addition

23

2 5 6 0x x

A25.1

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CST Algebra 24

Stan’s solution to an equation is shown below,Given: n + 8(n + 20) = 110Step 1: n + 8n + 20 = 110Step 2: 9n + 20 = 110Step 3: 9n = 110 – 20Step 4: 9n = 90Step 5:

Step 6: n = 10Which statement about Stan’s solution is true?

A. Stan’s solution is correct.B. Stan made a mistake in Step 1.C. Stan made a mistake in Step 3.D. Stan made a mistake in Step 5.24

9 909 9n

A25.2

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CST Algebra 25

When is this statement true?

A. This statement is never true.B. This statement is always true.C. This statement is true for positive numbers.D. This statement is true for negative numbers.

25

The opposite of a number is less than the original number.

A25.3

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CST Algebra 26

What is the y-intercept of the graph of 4x + 2y = 12

A. -4B. -2C. 6D. 12

26 A6.0

Page 27: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 27

Which inequality is shown on the graph below?

A.

B.

C.

D.

27

1 12

y x

1 12

y x

1 12

y x

11

2y x

A6.0

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CST Algebra 28

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CST Algebra 29

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CST Algebra 30

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CST Algebra 31

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CST Algebra 32

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Page 33: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 33

What point lies on the line defined by 3x + 6y = 2 ?

A. ( 0, 2 )B. ( 0, 6)C. ( 1, -1/6)D. ( 1, -1/3)

33

A7.0

Page 34: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 34

What is the equation of the line that has a slope of 4 and passes through the point (3, -10) ?

A. y = 4x - 22B. y = 4x + 22C. y = 4x - 43D. y = 4x + 43

34 A7.0

Page 35: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 35

The data in the table shows the cost of renting a bicycle by the hour, including a deposit.

If hours, h, were graphed on the horizontal axis and cost, c, were graphed on the vertical axis, what would be the equation of a line that fits the data?

A. c = 5hB. c = (1/5)h + 5C. c = 5h + 5D. c = 5h – 535

Hours (h) Cost in dollars ( c )2 15

5 30

8 45

A7.0

Page 36: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 36

Some ordered pairs for a linear function of x are given in the table below.

Which of the following equations was used to generate the table above?

A. y = 2x + 1B. y = 2x - 1C. y = 3x - 2D. y = 4x - 336

X Y1 1

3 7

5 13

7 19

A7.0

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CST Algebra 37

A7.0

Page 38: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 38

The equation of line l is 6x + 5y = 3, and the equation of line q is 5x – 6y = 0. Which statement about the two lines is true?

A. Lines l and q have the same y-intercept.B. Lines l and q are parallel.C. Lines l and q have the same x-intercept.D. Lines l and q are perpendicular.

38 A8.0

Page 39: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 39

Which equation represents a line that is parallel to

?

A.

B.

C.

D.

39

5 24

y x

5 14

y x

4 25

y x

4 35

y x

5 44

y x

A8.0

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CST Algebra 40

A9.0

Page 41: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 41

What is the solution to this system of equations?

A. ( 6, 2 )

B. ( 1, -5 )

C. no solution

D. infinitely many solutions

41

3 26 2 4y xx y

A9.0

Page 42: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 42

Which ordered pair is the solution to the system of equations below?

x + 3y = 7x + 2y = 10

A.

B.

C. ( -2, 3)

D. ( 16, -3 )

42

7 13,2 4

7 17,2 5

A9.0

Page 43: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 43

Marcy has a total of 100 dimes and quarters. If the total value of the coins is $14.05, how many quarters does she have?

A. 27

B. 40

C. 56

D. 73

43

A9.0

Page 44: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 44

Which of the following best describes the graph of this system of equations?

y = -2x + 35y = -10x + 15

A. two identical lines

B. two parallel lines

C. two lines intersecting in only one point

D. two lines intersecting in only two points44 A9.0

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CST Algebra 45

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CST Algebra 46

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CST Algebra 47

A.

B.

C.

D.

47

3

7

510xx

42x

4

12x

4

15x

4

5x

A10.0

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CST Algebra 48

A.

B.

C.

D.

48

2 24 2 8 3 2x x x x

23 6x x

23 10x x

23 5 10x x

23 5 6x x

A10.0

Page 49: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 49

The sum of two binomials is . If one of the binomials is , what is the other binomial?

A.

B.

C.

D.

49

25 6x x23 2x x

22 4x x

22 8x x

28 4x x

28 8x x

A10.0

Page 50: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 50

Which of the following expressions is equal to (x + 2) + (x – 2)(2x + 1)?

A.

B.

C.

D.

50

22 2x x

22 4x x

22x x

24 2x x

A10.0

Page 51: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 51

A volleyball court is shaped like a rectangle. It has a width of x meters and a length of 2x meters. Which expression gives the area of the court in square meters?

A. 3x

B.

C.

D.

51

22x

23x

32xA10.0

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CST Algebra 52

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CST Algebra 53

Which is the factored form of

A. (3a – 8b)(a – 6b)

B. (3a – 16b)(a – 3b)

C. 3(a – 4b)(a – 4b)

D. 3(a – 8b)(a – 8b)

53

2 23 24 48a ab b

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CST Algebra 54

Which is a factor of ?

A. x + 3

B. x - 3

C. x + 4

D. x - 4

54

2 11 24x x

A11.0

Page 55: Is the equation 3(2x – 4) = (-18) equivalent to  6x – 12 = (-18)?

CST Algebra 55

Which of the following shows factored completely?

A.

B. (3t + 4)(3t + 1)

C. (9t + 4)( t + 1)

D.

55

29 12 4t t

23 2t

29 12 4t t

A11.0

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CST Algebra 56

What is the complete factorization of ?

A. -8(2 + z)(2 – z)

B. 8(2 + z)( 2 – z)

C.

D.

56

232 8z

28(2 )z

28(2 )z

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CST Algebra 57

If is added to x, the sum is 42. Which of the following could be the value of x?

A. -7

B. -6

C. 14

D. 42

57

2x

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CST Algebra 58

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CST Algebra 59

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CST Algebra 60

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CST Algebra 61

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CST Algebra 62

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CST Algebra 63

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CST Algebra 64

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CST Algebra 65

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CST Algebra 66

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CST Algebra 67

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CST Algebra 68

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CST Algebra 69

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CST Algebra 70

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CST Algebra 71

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CST Algebra 72

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CST Algebra 73

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CST Algebra 74

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CST Algebra 75

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CST Algebra 76

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CST Algebra 77

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CST Algebra 78

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CST Algebra 79

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CST Algebra 80

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CST Algebra 81

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CST Algebra 82

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CST Algebra 83

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CST Algebra 84

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CST Algebra 85

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CST Algebra 86

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CST Algebra 87

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CST Algebra 88

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CST Algebra 89

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CST Algebra 90

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CST Algebra 91

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CST Algebra 92

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CST Algebra 93

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CST Algebra 94

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CST Algebra 95

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CST Algebra 96

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