1.
Kurt is saving to buy a new computer. The computer he wants costs $1299. He has already saved $732. Write an inequality to determine the least amount he must still save.
A.
1299 + s
732
B.
732 +
s
1299
C.
1299 + s
732
D.
732 +
s
1299
Hint
2.
Write the inequality that is graphed on the number line below.
A.
B.
C.
D.
Hint
3.
Use elimination to solve the system of equations.
-
x
+ 2
y
= 18
x
+ 8
y
= -38
A.
B.
(-5, -1)
C.
D.
(-22, -2)
Hint
4.
Use elimination to solve the system of equations shown below.
2
x
- 4
y
= -5
3
x
+ 4
y
= -15
A.
B.
C.
D.
Hint
5.
Find a solution to the equation by doing the same thing to both sides.
3 – 6
m
= 5 – 7
m
A.
m
= 0
B.
m
= 2
C.
m
= –5
D.
m
= –2
Hint
6.
Tamara and Joanne collect stamps. Tamara has 30 less than 5 times the number of stamps that Joanne has. Tamara also has 42 more stamps than Joanne. How many stamps does Tamara have?
A.
60
B.
18
C.
42
D.
23
Hint
7.
Use a graphing calculator to graph
y
= 8
x
– 2
x
2
. Estimate the highest point on the graph.
A.
(8, 2)
B.
(7, 3)
C.
(3, 7)
D.
(2, 8)
Hint
8.
A ball is launched straight up from ground level modeling the equation
h
= 52
t
– 10
t
2, where
h
stands for height in meters and
t
stands for time. What is the approximate value of
t
when the ball hits the ground?
A.
5.2 seconds
B.
0 seconds
C.
2.6 seconds
D.
6.0 seconds
Hint