Module 1 Review

Which numerical expression represents twelve less than the quotient of twenty and 7.2?

• $12-\ 20\ \div7.2$

• $12-\ 20\ \times\ 7.2$

• $20\ \div\ 7.2\ -12$

• $12\ \div\ 20\ -\ 7.2\$

Which expression is equivalent to

 $\left(3x^{2\ }+\ 5x\ -2\right)4$  

•  $32x^2\ -\ 8$  

•  $12x^2\ +20x\ -\ 8$  

•  $12x^2\ +20x\ +\ 8$  

•  $12x^2\ +20x\ -\ 2$  

Simplify the expression:

 $-\frac{3}{4}\ \left(8x\ -\ 12\right)$  

•  $\ -24x\ +36$  

•  $-6x\ -\ 9$  

•  $-6x\ -\ 12$  

•  $-6x\ +9$  

Evaluate the expression if 
x = - 4 and y = 8.

 $-\left|-x\ +\ y\right|$  

• - 12

• 4

• - 4

• 12

Select all the expressions that represent The product of 6 and 3 is decreased by the quotient of 12 and 4.

• $6\left(3\right)-\left(12\div4\right)$

• $6\ \div3\ -\ 12\ \times\ 4$

• $12\ \div\ 4\ -\ 6\left(3\right)$

• $6\ \times\ 3\ -\ \frac{12}{4}$

Which expression could not be used to evaluate the following?

 $30\ \cdot\ 17$ 

• (25 $\cdot$  5) + 17

• 30(10) + 30(7)

• 17(10 + 20)

• 30(20 - 3)

Simplify the expression.

5x - 6y + 12x - 3y

 What is the value of the following expression if x = -3?

 $13\ +\ \frac{1}{2}\left|3x\ -5\right|$ 

Evaluate:

 $2^3\ -\frac{12}{6}\ \cdot\ 3$  

• 18

• 12

• 2

• 0

Strawberries are $1.95 a pound. Bananas are $0.97 a pound. Write an expression to represent the cost of purchasing strawberries (s) and bananas (b).

• $2.92sb

• $1.95s + $0.97b

• $0.97s + $1.95b

• $1.95s + $0.97b = c