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Slope Intercept form
Solving equations
Function and WHY?
x and y intercepts
Challenge questions
100
Write the linear equations in slope-intercept form. -6x+y=-17
y=6x-17
100

Solve for x

8x-6x-25=-35

x=-5

100

When x=1, y=4.

When x=3, y=12.

When x=5, y=15.

When x=12, y=36.

Yes, because for every input there is just one output.

100
Find the x and y intercept for the given linear equation y=x+5 (must be in correct answer form)
x-int: (-5,0) y-int: (0,5)
100

The equations for the line that passes through (4,3) and (-2,0) in slope intercept form and in standard form

slope-intercept form:  y=1/2x+1

standard form:  x-2y=-2


200
Write the linear equation in slope-intercept form. 1/7x+y=-5
y=-1/7x-5
200

Solve for z

-3z+1=7

z=-2

200

When x=4, y=10.

When x=5, y=10.

When x=6, y=10.

Yes, because for every input, there is just one output.

200
Find the x and y intercept for the given linear equation -3x+5y=15 (must be in correct answer form)
x-int: (-5,0) y-int: (0,3)
200
Where do you find the slope? What is it's location? Identify the slope and y-intercept -4x+y=17
Directly in front of the x; m=4; y=17
300
Write the linear equation in slope-intercept form. -15x+3y=75
y=5x+25
300

Solve for x

2(1-5x)+4=-8

x=1.4

300

When x=-22, y=8

When x=22, y=6

When x=25, y=10

Yes, because for every input there is only one output.

300
Find the x and y intercept for the given linear equation -9x+6y=36 (must be in correct answer form)
x-int: (-4,0) y-int: (0,6)
300
Vivian charges $4 for bracelets and $5 for earrings. Her cost to make x bracelets and y earrings is $60. The equation that represents this problem is 4x+5y=60, solve for the slope.
m=-0.8 or -4/5
400

Write the linear equation in slope-intercept form.

-10x-11y=-22

y=-10/11x+2

400

Solve for x

1/2(10x-26)+4x=43

x=5.88 ; or 5 8/9

400

A graph contains the points (4,9), (1,7), (-5,6), (3,11), (1, 15), (7,10).

No because when we input 1, there are 2 outputs possible.

400
Find the x and y intercept for the given linear equation 7x+8y=56 (must be in correct answer form)
x-int: (8,0) y-int: (0,7)
400

1, 2, 4, 8,...

Write the equation for this sequence, Then find a7

an=1 * 2n-1

a7=1 * 26

64

500

Write the linear equation in slope intercept form.

x-1/4y=7

y=4x-28

500

Solve for F

C=5/9(F-32)

F=9/5C+32

500

A graph contains the points (10,17), (-10,17), (19,12), (-19,12), (10,16), (17,16).

No because the input 10 has 2 possible outputs.

500
Find the x and y intercept for the given linear equation -36x-24y=144 (must be in correct answer form)
x-int: (-4,0) y-int: (0,-6)
500

A ball was dropped from the top of a ferris wheel.  The height in feet above the ground can be found using the function y=-3x + 72 where x is the time in seconds the ball has been in the air.  When will the ball hit the ground?

24 seconds after it's dropped

(plug in 0 for y to solve for x)