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