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8th Grade Final Review
Test Description: Final exam review questions
Instructions: Answer all questions to get your test result.
1) Which # is the square root of 324
A
-14
B
-24
C
12
D
18
2) The lengths of 2 sides of a right triangle are 8 and 15 units. Find the length of the third side
A
17 units
B
23 units
C
7 units
D
64 units
3) Which number has 9 as its cube root?
A
81
B
900
C
27
D
729
4) Solve 5(x + 3) - x = 3
A
4.5
B
-3
C
0
D
3
5) A cube shape box has a volume of 27 cubic inches. What is the length of the box?
A
9 inches
B
3 inches
C
2 inches
D
6 inches
6) Solve 3n - 9 = 15
A
not here
B
8
C
-2
D
2
7) 4.05810502642544213659... is an example of
A
repeating decimal
B
mixed number
C
irrational number
D
rational number
8) Tell how many solutions this equation has. 3x - 9 = 2 (x - 2)
A
infinite solutions
B
one solution
C
no solutions
9) Which function has a slope of -2?
A
y = -2x + 5
B
y = x - 2
C
y = -1/2x +6
D
y = 2x-1
10) Solve 16 = 5 (k - 2) - 3k
A
7
B
3
C
9
D
13
11) A globe has a diameter of 14 cm. Find its volume to the nearest cubic centimeter.
A
205
B
1,437
C
821
D
11,494
12) An angle measures at 21 degrees. Find its compliment.
A
9
B
159
C
69
D
42
13) Solve y + 4.5 = -6.2
A
-1.7
B
-10.7
C
10.7
D
-2.7
14) What are the coordinates of A prime, if point A is at (2, -3) is reflected over the line through (-1, 2) and (-1, 4)
A
(1, -4)
B
(-4, -3)
C
(-2, -3)
D
(1, 2)
15) Solve the system of equations. Find the value of y. (x + y = 7) and (x - y = 3)
A
2
B
7
C
4
D
5
16) Point (3, 2) is reflected over the y-axis. In which quadrant is the reflected point located in?
A
IV
B
II
C
III
D
I
17) A rectangle photo is 4 inches long and 3 inches wide. It is enlarged to a similar rectangle with a length of 10 inches. What is the width of the enlarged photo?
A
7.5
B
9
C
6
D
6.5
18) Which is the y-intercept for 3 + 4x = 6y
A
3
B
-3/4
C
1/2
D
0
19) Which is the square root of 256?
A
128
B
8
C
26
D
16
20) Solve 4b = 2b + 24
A
6
B
12
C
3
D
8
*select an answer for all questions
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