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CFA 5 8.EE.A, 8.EE.B, 8.EE.C
Name:__________________________
STUDY GUIDE
1.
What is the equation of a line that passes through the points (-2,4) and (0-8)? Write your
answer in slope intercept form.
Show your work.
Answer: ______________________________
2.
3.
A wedding photographer charges a flat fee of $75 for weddings and an additional $50
per hour of shooting.
Part A
Write a linear equation to model the relationship between the number of hours of shooting and
the total cost of photography services. Let x represent the number of hours and y represent the total
cost.
Equation: _________________________
Part B
What is the rate of change and initial value of the function from Part A?
Rate of Change: ______________
Initial value: _______________
4.
Graph the solution to y = 2x on the same coordinate plane.
5. Write the equation 2x + 7y = -28 in slope-intercept form.
A. 7y = 2x – 28
2
B. y = 𝑥 + 4
7
7
C. y = 𝑦 − 4
D. y =
2
−2
7
𝑥−4
6. The y-intercept of the equation y = 7x – 5 is seven.
A. True
B. False
7. What is the slope of the line below?
A. 2
B.
C.
D.
𝟐
𝟓
𝟓
𝟐
−𝟐
𝟓
8. Write the equation 14x + 2y = 48 in slope intercept form.
A. y = -7x + 24
B. 2y = 14x + 48
1
C. x = 𝑦 − 24
7
D. y = 7x – 24
9. What is the y intercept of the equation 3x = 9y – 27?
b = ________________
10. Graph the following equation below: 2x + 2y = 10
1
11. Graph the following equation below: y = − 𝑥 + 3
2
12. Graph the following equation below: y = -2
13.
Write the following equation in slope intercept form: y – 3 = 4(x – 2)
Equation _________________________
Answer Key
1. y=-6x-8
2. A
3. A. Y=50x+75
B. 50, 75
4. * A graphed line that passes through the origin and is parallel to the graphed line.
5. D
6. B
7. B
8. A
9. -9
13. y = 4x + 1