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8th Grade Pi Day Review

Total questions: 55

Worksheet time: 3hrs 18mins

Name
Class
Date
1.
√36= 
a)
6
b)
16
c)
irrational
d)
18
2.
2.35 is .....
a)
Rational (terminating decimal)
b)
Irrational
c)
Rational (repeating decimal)
d)
Rational (integer)
3.
43=
a)
64
b)
12
c)
7
d)
81
4.
Find the slope between points (3,4) and (6,4)
a)
0
b)
4
c)
undefined
d)
0/3
5.
Which of the following will turn out to be a whole number?
a)
√46
b)
√47
c)
√48
d)
√49
6.
9- (-7) = 
a)
2
b)
-2
c)
16
d)
-16
7.
What is the y-intercept?
a)
1
b)
-1
c)
3
d)
-3
8.
Put 8793 in scientific notation.
a)
8793
b)
8.793 x 103
c)
8.793
d)
8.793 x 10-3
9.
A repeating decimal is what type of number?
a)
Rational 
b)
Irrational
c)
Integer
d)
Whole
10.
Is √2 Irrational?
a)
Yes
b)
No
11.

The square root of a number is between 8 and 9. Which of these could be that number?

a)

17

b)

63

c)

71

d)

89

12.
x + 12 = 20
a)
x = 32
b)
x = -32
c)
x = 8
d)
x = -8
13.
Solve for x:
a)
x = 20
b)
x = 7
c)
x = 10
d)
x = 3
14.

Figure out what n equals in this equation:
6n + 4 = -26

a)

n=-6

b)

n= -5

c)

n= 8

d)

n= -4

15.
What is the y-intercept in the equation y= -2x + 5
a)
-2
b)
3
c)
5
d)
Cannot be Determined
16.
Find the volume of this shape
a)
1520.53
b)
276.46
c)
552.93
d)
6082.12
17.
Find the volume of the cone. Round your answers to the nearest tenth.
a)
127.3 yd3
b)
347.6 yd3
c)
287.7 yd3
d)
147.7 yd3
18.
Find the volume of the 3Dimensional shape
a)
904.32 ft3
b)
7,234.56 ft3
c)
150.72 ft3
19.
Is the equation y=7x+5 proportional or non-proportional?
a)
proportional
b)
non-proportional
20.

y=18x Proportional or non-proportional?

a)

proportional

b)

non-proportional

21.
In order for a graph to be proportional it has to___?
a)
pass over the y-axis
b)
pass over the x-axis
c)
pass through the origin
22.
Which of these shows the numbers in order from greatest to least?
a)
-2.65, -1.43, 0.16, 0.10, 0.07
b)
0.16, 0.10, 0.07, -1.43, -2.65
c)
0.16, 0.10, 0.07, -2.65, -1.43
d)
-2.65, -1.43, 0.07, 0.10, 0.16
23.

Joe has a square tablecloth with a total area of 48 square feet. What is the length of each side in feet?

a)

9.8 ft

b)

5.0 ft

c)

12.0 ft

d)

6.9 ft

24.

What value of x makes this equation true? 0.6x-5=0.1x+7

a)

4

b)

14

c)

24

d)

6

25.

To which subset of the real numbers does π belong?

a)

Irrational Numbers

b)

Rational Numbers

c)

Integers

d)

Natural Numbers

26.
Simplify
a)
9
b)
√9
c)
3√9
d)
can't simplify
27.

Which equation can be used to find V, the volume of the cylinder in cubic inches?

a)

V = π (2.5h)^2

b)

V = π (5h)

c)

V = π (2.5)^2h

d)

V = π (5)^2h

28.
(x2y3)2= 
a)
x0y
b)
x4y6
c)
x4y5
d)
xy5
29.
Which of the following is NOT a perfect square?
a)
√25
b)
√144
c)
√80
d)
√121
30.
2x - 10 = 40
Solve for x
a)
25
b)
15
c)
10
d)
35
31.
x-4=
a)
x4
b)
0
c)
1/x4
d)
1/x-4
32.
Does the following mapping diagram represent a FUNCTION or NOT A FUNCTION
a)
NOT A FUNCTION
b)
FUNCTION
33.
Does the following mapping represent a FUNCTION or NOT A FUNCTION?
a)
FUNCTION
b)
NOT A FUNCTION
34.
Which of the following is NOT a rational number?
a)
√9
b)
9/0
c)
3/4
d)
2.347
35.
142=
a)
28
b)
169
c)
196
d)
16
36.
-10 + 10 =
a)
0
b)
20
c)
-20
37.
What is the y-intercept in this graph?
a)
5
b)
3
c)
0
d)
There is not a y-intercept
38.
In the Power to Power exponent law, what do you do with the exponents?
a)
add them
b)
subtract them
c)
multiply them
d)
divide them
39.

(x)(x^2)=

a)

x^3

b)

x^2

c)

x

d)

xx^2

40.
If a triangle is dilated, which features of the triangle stay the same?
a)
The angles
b)
The hypotenuse
c)
The legs
d)
The size
41.
If a shape is reflected across the X-AXIS, which coordinates change signs?
a)
y-coordinates
b)
x-coordinates
42.
What is the relationship between radius and diameter?
a)
There is no relationship
b)
A diameter is half of a radius. 
c)
A radius half of a diameter
d)
A radius is equal to a diameter. 
43.

Which transformation involves TURNING AROUND A CENTER?

a)

rotation

b)

dilation

c)

reflection

d)

translation

44.
√400= 
a)
20
b)
15
c)
40
d)
irrational
45.
(2⁸)²
a)
2¹⁶
b)
2¹⁰
c)
2⁶
d)
2⁴
46.

x6 / x2

a)

x4

b)

x12

c)

x3

d)

x8

47.

How would you write 4.3756 x 104 in standard form?

(a)  

48.

How would you write 0.0005 in scientific notation?

a)

50 x 10^-5

b)

5 x 10^-4

c)

5 x 10^3

d)

.5 x 10^3

49.

Express the following in scientific notation: .000457

a)

457 x 106

b)

457 x 10-6

c)

4.57 x104

d)

4.57 x 10-4

50.
Multiply:
(3.4 x 105)(1.2 x 10-3)
a)
4.08 x 10-8
b)
4.8 x 102
c)
4.08 x 102
d)
4.08 x 10-15
51.
Divide:
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 10-4
d)
3 x 10-11
52.
Solve for f:
f - 4 = 6f + 26
a)
f = -5
b)
f = 5
c)
f = 6
d)
f = -6
53.
Solve for x:
5x - 14 = 8x + 4
a)
x = 6
b)
x = -6
c)
x = -18/13
d)
x = 10/3
54.
Solve the equation
4x - 5x + 9 =5x - 9
a)
x = -3
b)
x = 9
c)
x = 3
d)
x = -9
55.
Solve:
3x + 15 = 3(x + 5)
a)
No Solution
b)
x = 15
c)
Infinitely Many Solutions

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