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TEACHER NOTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the GCF. This will help in the Examples The examples are all from section 3.8 of the Algebra 1 book and Homework is out of the Workbook Slides 4, 7, and 12 are the worked out examples, and slide 16 is the challenge problem. May want to consider printing those out for their notebook. We quiz Thurs., if you are behind you may want to print all of it out to save time. The challenge problem comes from p.189 #37

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Page 1: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

TEACHER NOTES The warm up works on the distribution

property, but also use it to talk about un-distribution basically going backwards factoring out the GCF.

This will help in the Examples The examples are all from section 3.8 of the

Algebra 1 book and Homework is out of the Workbook

Slides 4, 7, and 12 are the worked out examples, and slide 16 is the challenge problem. May want to consider printing those out for their notebook. We quiz Thurs., if you are behind you may want to print all of it out to save time.

The challenge problem comes from p.189 #37

Page 2: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

WARM UPUse the distributive property.1. -9( x + 2) 2. ½ (8x – 7)

REVERSE: Greatest Common Factor3. 4x - 12 4. 15x + 10

Page 3: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

HOMEWORK ANSWERS

Page 4: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

HOMEWORK ANSWERS

Page 5: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

HOMEWORK ANSWERS

Page 6: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

HOMEWORK ANSWERS

Page 7: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

HOMEWORK ANSWERS

Page 8: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

HOMEWORK ANSWERS

Page 9: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

REWRITING

EQUATIONSAA1.CC

Notes

Page 10: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

WORKED OUT EXAMPLE

Why is putting the equation in this form

advantageous for us when graphing?

Which means to solve for y with x represented on the other side of the = sign as part of a relationship between the y and the x.

Page 11: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

EX.1 SOLVE FOR Y IN TERMS OF X. b. 2 + 6y = 3x + 4

Page 12: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

PRACTICE!

8x – 5x + 21 = 36 – 6y

Solve for y in terms of x.

Page 13: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

WORKED OUT EXAMPLE

Page 14: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

a) a – bx = c b) ax = bx + c

EX.2 SOLVE THE EQUATION FOR X.

Page 15: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

PRACTICE!

 

Solve the

equation for x.

Page 16: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

a) b)

ERROR ANALYSIS PRACTICE!WHY IS THEIR ANSWER NOT CORRECT??

Page 17: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

IMPORTANT FORMULAS!

Page 18: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

WORKED OUT EXAMPLE

Page 19: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

a. Solve for t.

I = Prtb. Solve for r.

d = rt

EX.4 REWRITING FORMULAS!

Page 20: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

a. Solve for w. (Volume of a rectangular

prism)

V = lwh

b. Solve for h. (Surface area of a prism)

S = 2B + Ph

PRACTICE!

 

𝑨𝒏𝒔𝒘𝒆𝒓 :𝒉=𝑺−𝟐𝑩

𝑷

Page 21: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

The formula for the perimeter of a rectangle is:

EX.5 SOLVE THE FORMULA FOR W.

P = 2l + 2w

Use the formula to find the width of the rectangle shown below.

Page 22: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

The distance d (in miles) traveled by a car is given by d = 55t where t is the time (in hours) the car has traveled. The distance d (in miles) traveled is also given by d = 20g where g is the number of gallons of gasoline used by the car. Write an equation that expresses g as a function of t.

CHALLENGE!

Page 23: T EACHER N OTES The warm up works on the distribution property, but also use it to talk about un-distribution basically going backwards factoring out the

HOMEWORKRed Workbook

p.44-45 #2-12 even; 13-19 all


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