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PPLLAAYY

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PPLLAAYY

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Graphing Linear

Equations

Using Slopes & Intercepts

Point-Slope Form

Direct VariationSlope of a Line

Go to Final JeopardyGo to Double Jeopardy Replay End Round

Is the following linear?Is the following linear?

y = 3x - 6y = 3x - 6

next

What is yes?What is yes?

$100$100


Y = 4xY = 4x22 -4 -4

next

What is no?What is no?

$200$200


y = 2xy = 2x33 + x + x22 - 4 - 4

next

What is no?What is no?

$300$300


y = 3y = 3

next


$400$400

Is the following linear? Is the following linear?

x = 12x = 12

next


$500$500

Draw a line with a Draw a line with a positive slope.positive slope.

next

What is What is

$100$100

Draw a line with a Draw a line with a zero slope.zero slope.

next

What isWhat is

0?0?

$200$200

What is What is

$200$200

Draw a line with a Draw a line with a negative slope.negative slope.

next

What isWhat is

undefined?undefined?

$300$300

What isWhat is

0?0?

$200$200

What is What is

$300$300

Draw a line with an Draw a line with an undefined slope.undefined slope.

next

What isWhat is

perpendicular?perpendicular?

$400$400

What isWhat is

0?0?

$200$200

What is What is

$400$400

Find the slope of the Find the slope of the line passing through:line passing through:

(6, -2), (-4, 0)(6, -2), (-4, 0)

next

What isWhat is

-1/5?-1/5?

$500$500

State the slope intercept State the slope intercept form.form.

next

What is y = mx + b?What is y = mx + b?

$100$100

Find the x- & y-intercept Find the x- & y-intercept of the following:of the following:

2x + 3y = 122x + 3y = 12

next

What is x = 6 and y = 4?What is x = 6 and y = 4?

$200$200

Write in slope-intercept Write in slope-intercept form.form.

x – 5y = 10x – 5y = 10

next

What is y = (1/5)x - 2?What is y = (1/5)x - 2?

$300$300

What is the slope and y-What is the slope and y-intercept ofintercept of

3x + 5y = 15?3x + 5y = 15?

next

What is m = -3/5 and What is m = -3/5 and

b = 5?b = 5?

$400$400

Write the equation in Write the equation in slope-intercept form that slope-intercept form that

passes through the passes through the following points:following points:

(3, 4), (4, 6)(3, 4), (4, 6)

next

What is y = 2x – 2?What is y = 2x – 2?

$500$500

Identify the slope and a Identify the slope and a point on the following point on the following

line:line:

y – 2 = 4(x – 1)y – 2 = 4(x – 1)

next

What is m = 4 and What is m = 4 and

(x(x11, y, y11) = (1, 2)) = (1, 2) ??

$100$100


line:line:

y + 4 = -9(x + 3)y + 4 = -9(x + 3)

next

What is m = -9 and What is m = -9 and

(x(x11, y, y11) = (-3, -4)) = (-3, -4) ??

$200$200

Write an equation in Write an equation in point-slope form with point-slope form with

the following data:the following data:

m = ½, (xm = ½, (x11, y, y11) = (-2, 5)) = (-2, 5)

next

What is What is

y – 5 = ½ (x + 2) ?y – 5 = ½ (x + 2) ?

$300$300



m = -2, (xm = -2, (x11, y, y11) = (5, 1)) = (5, 1)

next

What is What is

y – 1 = -2 (x - 5) ?y – 1 = -2 (x - 5) ?

$400$400



(x(x11, y, y11) = (-6, -2) and ) = (-6, -2) and parallel to y = 2x - 8parallel to y = 2x - 8

next

What is What is

y + 2 = 2 (x + 6) ?y + 2 = 2 (x + 6) ?

$500$500

Find the equation of Find the equation of direct variation given direct variation given

thatthat

y is 32 when x is 4y is 32 when x is 4

next

What is y = 8x?What is y = 8x?

$100$100


thatthat

y is -10 when x is -20y is -10 when x is -20

next

What is y = ½ x?What is y = ½ x?

$200$200


thatthat

y is -108 when x is 9y is -108 when x is 9

next

What is y = -12x?What is y = -12x?

$300$300


thatthat

x is 270 when y is 90x is 270 when y is 90

next

What is y = 1/3 x?What is y = 1/3 x?

$400$400

Find the equation of Find the equation of direct variation given the direct variation given the

following table:following table:

next

xx 66 44 00 -2-2yy 99 66 00 -3-3

What is y = 3/2 x?What is y = 3/2 x?

$500$500

DDailyailyDDoouubbllee

next

FFinalinalJJeeooppaarrddyy

Today’s Category:Line of Best Fit

next

Plot the data and find a Plot the data and find a line of best fit.line of best fit.

next

xx 22 77 33 44 66 11 99 55

yy 44 1313 77 88 1111 22 1717 1010

What is y = 1.9x + .26What is y = 1.9x + .26

next




Thanks forThanks forPPLLAAYYIINNGG!!Thanks forThanks forPPLLAAYYIINNGG!!

Go to Double Jeopardy




DoubleDoubleJJeoeoppaarrddyy

DoubleDoubleJJeoeoppaarrddyy

$600

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Slope of a LinePoint-Slope

Form & Direct Variation

Graphing Inequalities in Two Variables

Lines of Best Fit

Using Slopes and intercepts

Go to Final JeopardyGo to Regular Jeopardy Replay End Round


(3, -6), (2, -4)(3, -6), (2, -4)

next

What is What is

-2?-2?

$200$200


(-8, 4), (3, 4)(-8, 4), (3, 4)

next

$400$400

What isWhat is

0?0?


(3, 2), (3, -2)(3, 2), (3, -2)

next

What isWhat is

undefined?undefined?

$$600

Tell whether the lines Tell whether the lines are parallel or are parallel or perpendicular.perpendicular.

Line 1: (2, 2), (5,5)Line 1: (2, 2), (5,5)

Line 2: (3, -6), (-5,2)Line 2: (3, -6), (-5,2)

next

What isWhat is

perpendicular?perpendicular?

$800$800

Tell whether the lines Tell whether the lines are parallel or are parallel or perpendicular.perpendicular.

Line 1: (2, 0), (4,5)Line 1: (2, 0), (4,5)

Line 2: (0, -2), (2,3)Line 2: (0, -2), (2,3)next

What isWhat is

parallel?parallel?

$1000$1000

Find the x- & y-intercept Find the x- & y-intercept of the following:of the following:

2x + y = 62x + y = 6

next

What is x = 3 and y = 6?What is x = 3 and y = 6?

$200$200


2x + 6y = 182x + 6y = 18

next

What is y = (-1/3)x + 3?What is y = (-1/3)x + 3?

$400$400


5y = 3x5y = 3x

next

What is y = (3/5)x?What is y = (3/5)x?

$600$600

What is the slope and y-What is the slope and y-intercept ofintercept of

4x + 3y = 9?4x + 3y = 9?

next

What is m = -4/3 and What is m = -4/3 and

b = 3?b = 3?

$800$800

Write the equation in Write the equation in slope-intercept form that slope-intercept form that

passes through the passes through the following points:following points:

(8, -9), (-6, -9)(8, -9), (-6, -9)

next

What is y = -9?What is y = -9?

$1000$1000


line:line:

y + 7 = 3(x – 8)y + 7 = 3(x – 8)

next

What is m = 3 and What is m = 3 and

(x(x11, y, y11) = (8, -7)) = (8, -7) ??

$200$200



m = ¼ , (xm = ¼ , (x11, y, y11) = (3, 0)) = (3, 0)

next

What is What is

y = ¼ (x - 3) ?y = ¼ (x - 3) ?

$400$400


thatthat

y is -54 when x is 6y is -54 when x is 6

next

What is y = -9x?What is y = -9x?

$600$600


thatthat

x is 32 when y is 4 x is 32 when y is 4

next

What is y = (1/8)x?What is y = (1/8)x?

$800$800

Write an equation in point-Write an equation in point-slope form with the slope form with the

following data:following data:

(x(x11, y, y11) = (4, 3) and ) = (4, 3) and perpendicular to perpendicular to

y = 2x - 8y = 2x - 8next

What is What is

y - 3 = -½ (x - 4) ?y - 3 = -½ (x - 4) ?

$1000$1000

When graphing the When graphing the following equation, will following equation, will the line be dashed or the line be dashed or

solid?solid?

y ≥ 3x - 4y ≥ 3x - 4

next

What is solid?What is solid?

$200$200

When graphing the When graphing the following equation, will following equation, will the line be dashed or the line be dashed or

solid?solid?

y < 3x - 4y < 3x - 4

next

What is dashed?What is dashed?

$400$400

Will the shaded region Will the shaded region for the following for the following

equation be above or equation be above or below the line?below the line?

y < 3x - 4y < 3x - 4

next

What is below the line?What is below the line?

$600$600

Solve the inequalitySolve the inequality

-4x + 2y ≥ 8-4x + 2y ≥ 8

next

What is y ≥ 2x + 4?What is y ≥ 2x + 4?

$800$800

Solve the inequalitySolve the inequality

2x – 3y > 62x – 3y > 6

next

What is y < (2/3)x – 2?What is y < (2/3)x – 2?

$1000$1000

In finding the line of best In finding the line of best fit, you do this to the x- fit, you do this to the x-

and y-coordinates.and y-coordinates.

next

What is find their What is find their means?means?

$200$200

How do you find the How do you find the mean of a set of data?mean of a set of data?

next

What is add the data What is add the data together then divide by together then divide by

the number of data?the number of data?

$400$400

Put in slope-intercept Put in slope-intercept form.form.

y – 3 = 4(x + 7)y – 3 = 4(x + 7)

next

What is y = 4x + 31?What is y = 4x + 31?

$600$600

Put in slope-intercept Put in slope-intercept form.form.

y – 9 = -2/3(x – 21)y – 9 = -2/3(x – 21)

next

What is y = -2/3x + 23?What is y = -2/3x + 23?

$800$800

Find the line of best fit if Find the line of best fit if (x(xmm, y, ymm)=(2, 4) and )=(2, 4) and

another point is (3, 6).another point is (3, 6).

next

What is y = 2x?What is y = 2x?

$1000$1000

DDailyailyDDoouubbllee

nextnext

FFinalinalJJeeopopaarrdydy

Today’s Category:Slope-Intercept Form

What is the equation of What is the equation of a horizontal line that a horizontal line that passes through the passes through the

point (0, 3)?point (0, 3)?

next

What is y = 3?What is y = 3?

next


Integers and ExponentsIntegers and ExponentsIntegers and ExponentsIntegers and Exponents


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