test-re-take-review-for-linear-function

Name: ______________________ Date:__________________ Hour:_____________
ID B
Review for Linear Function Essentials Unit Test
SFIF.C.7, HSF.IF.B.4 (L.2)
1. (4 pts) For the following problem:
a) Graph x=-3
b) Give the slope and y-intercept:
c) State if the line is a horizontal or vertical line:
______________________________________________________________________________
d) Determine if the graph is a function or not. Justify your answer:
______________________________________________________________________________
HSF.IF.B.4, HSFIF.C.7 (l.2)
2. (2 points) Graph y=-2x-4
State the slope and y-intercept
3. (3 points) Graph y-2=-2(x+2)
State the slope and y-intercept
HSF.IF.B.4, HSFIF.C.7 (L.2)
4. (3 points) What are the x- and y-intercepts of the equation -2x-8y=-16?
HSSID.C.7 (L.3)
5. (3 points) a) Find the rate of change from the graph below.
b) Explain what the rate of change means in terms of the problem.
______________________________________________________________________________
______________________________________________________________________________
d) What does the y-intercept mean in the scenario?
______________________________________________________________________________
______________________________________________________________________________
HSFIF.C.8 (L3)
6. (3 points) Do the following pairs of equations form the same line? Must show all work.
Circle YES or NO
a. y=4x+8
-4x+8y=0
YES
NO
b. -3x+5y=2
-3x+5y=-2
YES
NO
HSAREI.D (L.3)
7. (2 points) Which of the following are solutions to the equation y-3=2(x+1)? Circle all that
apply.
a. (9, 28)
b. (8, -26)
c. (2.1, 2.9)
d) Create two sets of ordered pairs that would also be solutions to the equation.
_______________________ and _________________
HSFLE.A.2 (L.3)
8. (2 points) Write the equation of the line given a table.
9 (5 points) a) Mrs. Kerr saved 700 dollars in 5 weeks and then 1050 dollars in 15 weeks.
(L.2) Find the rate of change ______________________________________________________
(L.2) What does the rate of change mean in the problem?
______________________________________________________________________________
9 b) Ms. Beydoun saved 850 dollars in 5 weeks and then 1700 dollars in 6 weeks.
(L.2) Find the rate of change ______________________________________________________
(L.2) What does the rate of change mean in the problem?
______________________________________________________________________________
Who saved more money per week? Explain your reasoning.
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________