MAT 0024
MIDTERM REVIEW
INSTRUCTOR M.BEYLIN
NAME ________________________________
Add or subtract as indicated. Write the answer in lowest
terms.
1
1
11) +
6 36
Find the absolute value of the number.
1) |4|
2) |-24|
12)
Insert <, >, or = to make the statement true.
3) -8
11
7
20 16
8
Simplify the expression.
Simplify the expression by combining any like terms.
4) 5 · 5 - 2
13) -9m + 7 - 3 + 1 + m - 5
5) 7 2 - 4 · 7
6)
14) 9a - 6a + a - 10
36(6 - 3) - 6
32 - 3
Simplify the expression. First use the distributive property
to remove any parentheses.
Evaluate the expression for the given replacement values.
10x - 6y
7)
x = 9, y = 4
x + 14
8)
y
+ 2x2
z
15) (12z + 6) - (5z - 2)
Solve the equation.
x = 6, y = 16, z = 4
16) 8x - (2x - 1) = 2
Multiply or divide as indicated. Write the answer in
lowest terms.
9 1
9) ·
7 6
17) 2(2z - 4) = 3(z - 4)
Write the following as an equation, using x for the
unknown number. Then solve.
10)
1
3
÷
18 16
18) When 3 times a number is subtracted from 7
times the number, the result is 28. Find the
number.
1
19) If 4 times a number is added to -9, the result is
equal to 13 times the number. Find the
number.
28) 2x + 10 - 4x < 6 - 4x + 4
Solve the formula for the specified variable.
20) I = Prt
The bar graph shows the number of tickets sold each
week by the garden club for their annual flower show.
Use the graph to answer the question.
for t
21) P = a + b + c
for b
22) P = 2L + 2W
for L
Solve. Round all amounts to one decimal place.
23) 73 is 20% of what number?
24) 150 is what percent of 96?
29) During which week were the greatest number
of tickets sold?
25) 60% of what number is 70?
30) How many tickets were sold in all?
Solve the inequality. Graph the solution set and write it in
interval notation.
26) 15x - 35 > 5(2x - 11)
27) 9x + 24 ≤ 3(2x - 1)
2
The line graph shows the recorded hourly temperatures in
degrees Fahrenheit at an airport. Use the graph to answer
the question.
34)
y
8
6
H
4
2
-8
-6
-4
-2
2
4
6
8
x
-2
-4
-6
G
-8
Determine whether the equation is a linear equation in
two variables.
35) 5y = x - 7
36) 6x - 7y2 = 5
37) x = 4y
31) What temperature was recorded at 5 p.m.?
Find three ordered pair solutions by completing the table.
Then use the ordered pairs to graph the equation.
32) At what time was the temperature 73°?
38) y = 3x - 4
Find the x- and y-coordinates of the following labeled
points.
x y
0
1
-1
33)
y
8
B
6
y
4
A
10
2
5
-8
-6
-4
-2
2
4
6
8
x
-2
-4
-10
-5
5
-6
-5
-8
-10
3
10
x
Graph the linear equation.
42) x = 5
39) 2x = y - 7
y
10
y
10
5
5
-10
-10
-5
5
10
-5
5
10
x
x
-5
-5
-10
-10
Identify the intercepts.
40) 4x + y = 0
43)
y
y
10
10
5
5
-10
-5
5
10
x
-10
-5
5
10
x
5
10
x
-5
-5
-10
-10
41) y = 1
44)
y
10
y
10
5
5
-10
-5
5
10
x
-5
-10
-5
-5
-10
-10
4
Answer Key
Testname: 0024 EXAMMID REVIEW
1)
2)
3)
4)
5)
6)
4
24
=
23
21
17
66
7)
23
33)
34)
35)
36)
37)
38)
A(4, 3); B(-4, 6)
G(2, -7); H(-6, 4)
yes
no
yes
x
0
1
-1
8) 76
3
9)
14
y
-4
-1
-7
y
10)
8
27
10
7
36
5
11)
12)
9
80
-10
-5
10
x
5
10
x
5
10
x
-5
13) -8m
14) 4a - 10
15) 7z + 8
1
16)
6
-10
39)
17) -4
18) 7x - 3x = 28; 7
19) 4x + (-9) = 13x; -1
I
20) t =
Pr
y
10
5
21) b = P - a - c
P - 2W
22) L =
2
23)
24)
25)
26)
5
-10
-5
-5
365
156.3%
116.7
(-4, ∞)
-10
40)
y
-6
-5
-4
-3
-2
-1
-11
-10
-9
-8
-7
-6
-7
10
27) (-∞, -9]
5
-12
28) (-∞, 0)
-10
-5
-5
-4
29)
30)
31)
32)
-3
-2
-1
0
1
2
3
4
week 4
205 tickets
76 ° F
10 a.m.
-10
5
Answer Key
Testname: 0024 EXAMMID REVIEW
41)
y
10
5
-10
-5
5
10
x
5
10
x
-5
-10
42)
y
10
5
-10
-5
-5
-10
43) (1, 0), (0, 6)
44) (1, 0), (0, -5)
6