Question 1

Evaluate -5x if x= -0.2.

Accepted Answer

1

Answer

-1

Answer

-0.5

Answer

0.5

Question 2

Evaluate 6x - 3 if x= 2$\frac{1}{4}$.

Accepted Answer

10$\frac{1}{2}$

Answer

10$\frac{1}{2}$x

Answer

-10$\frac{1}{2}$

Answer

16$\frac{3}{4}$

Question 3

A taxi cab service charges a $5.50  initial  fee plus and additional $1.75 per mile. Use 1.75m + 5.50 to solve: How much would it cost for a passenger to travel 12.5 miles? Round to the nearest hundreth, if necessary.

Accepted Answer

$27.38

Answer

$27.37

Answer

$21.88

Answer

$68.75

Question 4

Use the Distributive Property to rewrite each expression in its equivalent form.     -4b (8a + 7)

Accepted Answer

-32ab  - 28b

Answer

32ab + (-28b)

Answer

-32ab$^{2}$ -28b

Answer

-32ab + 28b

Question 5

$\frac{-65 - 10x}{5}$

Accepted Answer

-13 - 2x

Answer

-13 + 2x

Answer

-13 - (-2x)

Answer

13 - 2x

Question 6

Factor:     13f + 39

Accepted Answer

13 ( f + 3)

Answer

13 (-f - 3)

Answer

-13 (f - 3)

Answer

-13 (f + 3)

Question 7

18g$^{2}$ - 36g

Accepted Answer

18g (g - 2)

Answer

18g (g + 2)

Answer

18g$^{2}$( 1g - 2)

Answer

18 ( g$^{2}$ - 2g)

Question 8

Simplify the expression by combining like terms.        12j + 15 - 3j

Accepted Answer

9j + 15

Answer

15j -15

Answer

15j + 15

Answer

9j -15

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