Download Review for Test 6: Linear Functions II

Name: _________________________________________________
Date: _______________ Period: _____
Algebra 1 – Bowling, Delso, Fletcher, Skiles
Review for Test 6: Linear Functions II
1. Write an equation for a line with slope of 3 and y-intercept −8.
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2. Write an equation for a line with slope of − and y-intercept 4.
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3. Write an equation for a line that goes through (0, −5) with a slope of −3.
4. Write an equation for a line with a slope of 1 that passes through the point (0, 0).
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5. Identify the slope and y-intercept of: 𝑦 = 𝑥 + 7
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Slope_______
Y-Intercept_______
6. Identify the slope and y-intercept of: 𝑦 = −5𝑥
Slope_______
Y-Intercept_______
7. Identify the slope and y-intercept of: 𝑦 = 3
Slope_______
y-intercept_______
8. Identify the slope and y-intercept of: 𝑦 = 2 − 5𝑥
Slope_______
y-intercept_______
9. Write the equation in slope intercept form:
−4𝑥 + 2𝑦 = 8 Then identify slope and
y-intercept.
10. Write the equation in slope intercept form:
6𝑥 − 4𝑦 = −4 Then identify slope and
y-intercept.
Slope_______
Slope_______
Y-Intercept_______
11. What is the slope and y-intercept of the
linear equation: 𝑥 − 4𝑦 = −12
(What do you need
to do 1st?)
Y-Intercept_______
12. Given the graph below, identify the following:
Slope:
Slope_______
y-int:
Y-Intercept_______
Equation of the line:
13. Graph the following equations and identify the slope and the y intercept:
a. 𝑦 = −4
b. 𝑥 = 3
Slope_______
Slope_______
Y-intercept_______
Y-intercept______
14. Jerod is buying a house. He has a down payment of $6,500 and a monthly payment of $725 per month.
If Jerod were to graph the total amount of money he has paid for his house as a function of the
number of months he has owned the house, what would the slope and y-intercept of the graph be, and
what do they represent?
Slope: _______
Represents:
y-intercept: _______
Represents:
Write an equation Jerod can use to calculate the total amount he will pay, y, based on how many
months he has owned his home, x.
15. Jenny is renting a moving truck. She will have to pay a one-time fee for insurance coverage and pay the
daily rate for the truck each day she uses it. The total cost of renting the truck in terms of the number of days
the move will take can be modeled by the equation 𝑦 = 110𝑥 + 85.
What’s the slope? _______
What’s the y-intercept? _______
Match the parts of the equation in column A to their correct representation in column B.
Column A
What does x represent?
Column B
the one-time fee for insurance coverage
What does y represent?
the cost per day for renting the truck; the daily rate
What does the slope represent?
the number of days the move takes
What does the y-intercept represent?
the total cost
16. Which of the following is the graph of: 𝑦 = −2𝑥 + 4?
A.
B.
C.
D.
17. Which of the following is the graph of: −𝑥 + 2𝑦 = −4?
A.
B.
C.
D.