Quiz about Exam 1

Question 1

Solve

x + 7 = -12

Accepted Answer

x = -19

Answer

x = 5

Answer

x. = 19

Answer

x = -5

Question 2

Solve

x - 13 < 7

Accepted Answer

x < 20

Answer

x < -6

Answer

x > 20

Answer

x > -6

Question 3

Simplify

-7x + 5 - 8x - 1

Accepted Answer

-15x + 4

Answer

-x + 4

Answer

-x + 6

Answer

-15. + 6

Question 4

87 is a........... number

Accepted Answer

Composite

Answer

Prime

Question 5

41 is a........... number

Accepted Answer

Prime

Answer

Composite

Question 6

Find the prime factorization of 40

Accepted Answer

23 x 5

Answer

22 x 5

Answer

2 x 4 x 5

Answer

8 x 5

Question 7

Find the prime factorization of 144

Accepted Answer

24 x 32

Answer

2 x 3² x 5²

Answer

2² x 4 x 3²

Answer

23 x 3

Question 8

If a_n = 4n + 1

What are the three first terms of the sequence?

Accepted Answer

5,9,13

Answer

4,8,12

Answer

5,8,13

Answer

5,7,12

Question 9

What is the number 101₂ in base 10

Accepted Answer

5

Answer

10

Answer

3

Answer

4

Question 10

Is 9 a factor of 146?

Accepted Answer

No

Answer

Yes

Question 11

Is 6 a factor of 168?

Accepted Answer

Yes

Answer

No

Question 12

$$\frac{36}{63}$$ in lowest terms is.....

Accepted Answer

$$\frac{4}{7}$$

Answer

$$\frac{6}{11}$$

Answer

$$\frac{3}{7}$$

Answer

$$\frac{4}{9}$$

Question 13

What is the improper fraction of $$7\ \frac{4}{9}\ $$

Accepted Answer

$$\frac{67}{9}$$

Answer

$$\frac{56}{9}$$

Answer

$$\frac{70}{9}$$

Answer

$$\frac{63}{9}$$

Question 14

Rename $$\frac{55}{14}$$ as a mix number

Accepted Answer

$$3\ \frac{13}{14}$$

Answer

$$3\ \frac{14}{13}$$

Answer

$$2\ \frac{13}{14}$$

Answer

$$4\ \frac{12}{14}$$

Question 15

$$\frac{7}{12}+\frac{11}{12}$$

Accepted Answer

$$\frac{3}{2}$$

Answer

$$\frac{5}{2}$$

Answer

$$\frac{9}{4}$$

Answer

$$\frac{3}{4}$$

Question 16

Solve and simplify

$$\frac{6}{25} imes\frac{10}{9}$$

Accepted Answer

$$\frac{4}{15}$$

Answer

$$\frac{3}{15}$$

Answer

$$\frac{9}{5}$$

Answer

$$\frac{54}{250}$$

Question 17

Solve and give answer in scientific notation

( 1.017 x 10⁶) + ( 2.008 x. 10⁶ )

Accepted Answer

3.025 x 10⁶

Answer

3.032 x 10⁶

Answer

3.025 x 10¹²

Answer

2.025 x 10⁶

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