Free Printable Unit 1 CRM Practice Unit 1 test (yes you need to complete it)

1.

If a population of bacteria doubles every 3 hours, how many hours will it take for the population to grow from 100 to 800?

a)

6 hours

b)

9 hours

c)

12 hours

d)

15 hours

2.

Solve the proportion $\frac{3}{x} = \frac{9}{15}$ .

a)

$x = 5$

b)

$x = 10$

c)

$x = 15$

d)

$x = 20$

3.

Simplify the square root $\sqrt{64}$ .

a)

6

b)

7

c)

8

d)

9

4.

Solve the proportion $\frac{4}{x} = \frac{16}{64}$ .

a)

$x = 4$

b)

$x = 8$

c)

$x = 16$

d)

$x = 32$

5.

Solve the radical equation $\sqrt{3x + 9} = 6$ .

a)

$x = 3$

b)

$x = 9$

c)

$x = 12$

d)

$x = 15$

6.

Solve the radical equation $\sqrt{4x - 16} = 8$ .

a)

$x = 6$

b)

$x = 8$

c)

$x = 10$

d)

x = 20

7.

In my fish tank, the ratio of red fish to blue fish is 3:5. There are 20 blue fish. How many red fish are there?

a)

18

b)

12

c)

4

d)

15

8.

Solve the proportion.

a)

k=5

b)

k=3.3333333

c)

k=60

d)

k=90

9.

Solve for x

a)

x=6

b)

x =1/6

c)

x = 7

d)

x=9

10.

a)

x = -6

b)

x = 3

c)

x = -3

d)

x = 5±

11.

Solve and check your solution(s).

a)

x = 2, 3

b)

x = -2, -3

c)

x = -1, -6

d)

No solution

12.

Solve.

a)

no solution

b)

6

c)

3

d)

4

13.

Simplify:
-4(2x-5)

a)

-8x+20

b)

-8x-20

c)

-2x-9

d)

-8x-9

14.

Simplify:
5(3x+1)

a)

15x+1

b)

15x+5

c)

8x+1

d)

8x+6

15.

Solve the proportion.

a)

k=5

b)

k=3.3333333

c)

k=60

d)

k=90

16.

Solve the proportion.

a)

p=31.3

b)

p=308

c)

p=924

d)

p=532

17.

Solve the equation for x:

a)

17

b)

16

c)

15

d)

14

18.

Solve the proportion:

a)

4

b)

21

c)

24

d)

3

19.

Solve: 3(x-4) = -3

a)

3

b)

-3

c)

5

d)

-5

20.

Kenzie will save 15% if she opens a credit card. She wants to buy a jacket for $120. What will her savings be?

a)

$15

b)

$18

c)

$16

d)

$17

21.

Solve the proportion:

a)

15

b)

5

c)

10

d)

12

22.

a)

2.5

b)

1

c)

3.25

d)

-2.25

23.

Cross Multiply/Cross Products

a)

15

b)

420

c)

28

d)

16

24.

Convert 0.76 to a percent

a)

7.6%

b)

.76%

c)

76%

25.

Convert 0.12 to a percent

a)

12%

b)

1.2%

c)

0.12%

26.

Hamburger sells 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

a)

$30

b)

$20

c)

$60

d)

$10

27.

Convert 112.5% to a decimal:

a)

0.1125

b)

1.125

c)

1125.0

d)

11.25

28.

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs. Write and solve a proportion to find the number c of cats.

a)

c=15

b)

c=18

c)

c=21

d)

c=16

29.

There were 5 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

a)

8

b)

15

c)

40

d)

29

30.

Which set is in ascending order?(smallest to largest)

a)

2/5 1/4 52%

b)

1/4 2/5 52%

c)

52% 1/4 2/5

d)

52% 2/5 1/4

31.

Contestants in a dance-a-thon rest for the same amount of time every hour. A couple rest for 25 minutes in 5 hours. How long did they rest in 8 hours?

a)

40 minutes

b)

25 minutes

c)

200 minutes

32.

(3⁴)(3⁷)

a)

3²⁸

b)

3³

c)

3^-3

d)

3¹¹

33.

(x⁸)(x^-5)

a)

x^-40

b)

x^-13

c)

x¹³

d)

x³

34.

(5⁸) / (5³)

a)

5⁵

b)

1⁵

c)

5¹¹

d)

1¹¹

35.

(8⁵)³

a)

8⁸

b)

8¹⁵

c)

8²

d)

1/8²

36.

(t^-6)^-5

a)

t^-11

b)

t^-30

c)

t³⁰

d)

t¹¹

37.

4^-8

a)

1⁸/4

b)

4⁸/1

c)

4/1⁸

d)

1/4⁸

38.

7⁰

a)

7¹

b)

0¹

c)

1

d)

7

39.

(3x)⁰

a)

(3x)¹

b)

0¹

c)

1

d)

3x

40.

Simplify the following expression:
xy^-7

a)

xy⁷

b)

x/y⁷

c)

x⁷/y

d)

x⁷y

41.

Anything raised to a power of zero is always:

a)

0

b)

1

c)

itself

d)

negative

42.

According to exponent rules, when we raise the power to a power we _______ the exponents.

a)

add

b)

subtract

c)

multiply

d)

divide

43.

a)

2 / x²

b)

-2x²

c)

2x²

d)

2x¹⁴

44.

According to exponent rules, when we multiply the expressions we _______ the exponents.

a)

add

b)

subtract

c)

multiply

d)

divide

45.

According to exponent rules, when we divide the expressions we _______ the exponents.

a)

add

b)

subtract

c)

multiply

d)

divide

46.

Fill in the blank with the correct exponent to make the statement true.
3^{16 =}(3⁸)(3^{^}

a)

2

b)

8

c)

4

d)

1

47.

Simplify the exponential expression.

a)

2x⁶y¹²

b)

2x⁵y⁷

c)

8x⁶y¹²

d)

8x⁵y⁷

48.

Simplify (-4r⁵)(2r⁸)

a)

-8r¹³

b)

-2r¹³

c)

-8r⁴⁰

d)

-2y⁴⁰

49.

a)

a

b)

b

50.

Simplify by writing each expression with positive exponents only.

3^-2

a)

9

b)

1/8

c)

1/9

d)

6

51.

Simplify by writing each expression with positive exponents only.

2x^-3

a)

2/x^-3

b)

2x³

c)

-2/x^-3

d)

2/x³

52.

Simplify by writing each expression with positive exponents only.

y^-4

a)

1/y⁴

b)

y⁴

c)

1/y^-4

d)

-4y

53.

Simplify each expression with positive exponents only.

1/x^-3

a)

x^-3

b)

1/x³

c)

x³

d)

-3x

54.

Simplify by writing each expression with positive exponents only.

a)

3^-4

b)

3⁴

c)

d)

4(3)

55.

Simplify by writing each expression with positive exponents only.

a)

b)

c)

d)

56.

Write each number in standard notation, without exponents.

7.358 x 10^-3

a)

0.0007358

b)

0.07358

c)

7358

d)

0.007358

57.

Write each number in scientific notation.

1.02 x 10⁵

a)

102,000,000

b)

1.02,000

c)

102,000

d)

102

58.

-2 (X - 8) + 4X = -12

a)

X = 14

b)

X = -14

c)

X = 2

d)

X = -2

59.

What inequality does the number line graph represent?

a)

x > 5

b)

x < −5

c)

x ≥ 5

d)

x ≥ −5

60.

What inequality does the number line graph represent?

a)

x > 5

b)

x < −5

c)

x ≥ 5

d)

x ≥ −5

61.

Match the graph with its inequality.

a)

a > 11

b)

a < 11

c)

a ≥ 11

d)

a ≤ 11

62.

When you graph an inequality, you use a closed dot when you use which symbols?

a)

≤, ≥

b)

<, >

c)

≤, <

d)

≥, >

63.

Pick the correct letter for:
6 > x

a)

A

b)

B

c)

C

d)

D

64.

Pick the correct letter for:
6 > x

a)

A

b)

B

c)

C

d)

D

65.

What inequality does the number line graph represent?

a)

x ≤ -4

b)

x ≥ -4

c)

x < -4

d)

x < 4

66.

What inequality does the number line graph represent?

a)

x≥ 3

b)

x > 3

c)

x < -3

d)

x ≤ 3

67.

Which graph matches the inequality
2 > p?

a)

A

b)

B

c)

C

d)

D

68.

What inequality does the number line graph represent?

a)

x ≥ 3

b)

x > 3

c)

x < -3

d)

x ≤ -3

69.

Will my circle be colored in?
5 ≥ x

a)

Yes

b)

No

70.

Which graph matches the inequality

k < 3?

a)

A

b)

B

c)

C

d)

D

71.

When you graph an inequality, you use a closed dot when you use which symbols?

a)

≤, ≥

b)

<, >

c)

≤, <

d)

≥, >

72.

When graphing an inequality, you use an open dot when you use which symbol?

a)

<, >

b)

≤, ≥

c)

≤, <

d)

≥, >

73.

x is less than or equal to 24

a)

x > 24

b)

x < 24

c)

x ≤ 24

d)

x ≥ 24

74.

you must be at least 48 inches to ride the roller coaster.

a)

x > 48

b)

x < 48

c)

x ≤ 48

d)

x ≥ 48

75.

You can spend no more than 20 dollars on your mom's birthday present.

a)

x > 20

b)

x < 20

c)

x ≤ 20

d)

x ≥ 20

76.

When graphing b< 6 would you use an open or closed circle?

a)

Open

b)

closed

77.

Edith must read for a minimum of 20 minutes every night.

a)

x > 20

b)

x < 20

c)

x ≥ 20

d)

x ≤ 20

78.

You spent less than 5 hours on homework each night.

a)

x > 5

b)

x < 5

c)

x ≤ 5

d)

x ≥ 5

79.

Solve the inequality: -3(x + 2) < 21

a)

x < -9

b)

x > -9

c)

x > 5

d)

x < 5

80.

2(x - 1) + 4x < 10

a)

x > 2

b)

x < 2

c)

x > 11/6

d)

x < 11/6

Unit 1 CRM Practice Unit 1 test (yes you need to complete it)

Total questions: 80

Worksheet time: 3hrs 19mins

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