10/14/2020 Unit 3 Quiz 1 Review

Simplify the following algebraic expression:

 $\frac{25x+30}{5}$  

• 5x+30

• 5x+6

• 5x+5

• 3x+10

Simplify the following algebraic expression:


 $12x-5-2x+7$  

• 14x+2

• 10x-12

• 10x+2

• 14x-12

Evaluate the expression for the given value of the variable.

 $2x-3,\ \ \ if\ x=8$  

• 13

• 12

• 16

• 19

Evaluate the expression for the given value of the variable.

 $3x+10,\ \ \ \ if\ x=15$  

• 25

• 30

• 55

• 45

Which pair of algebraic expressions are equivalent

• (2+2)x and 2 + (2x)
  

• $\frac{16x+4}{2}\ \$ and $8x+2$

• $3\div x+2$ and $x\div3+2$

• 3(2x - 2) and 6x - 2

Are the following expressions equivalent?

 $5\left(x+6\right)+2x$  and  $7x+30$  

• Yes, they both simplify to 7x + 30.

• No, they do not simplify to the same thing.

Evaluate.

 $\frac{1}{4}x+5\ \ \$  if  x = 24

• 29

• 12

• 6

• 11

Which expression is equivalent to the following:

 $\frac{4+2\left(x+3\right)}{2}$  

• x + 5

•  $x+\frac{2}{3}$  

• 2x +10

• x + 8

Which expression is equivalent to the following:
 $3\left(x+2\right)+8\left(x+1\right)$  

• 5x + 7

• 11x + 7

• 11x + 14

• 5x + 14

Which property justifies the following:


 $\frac{36x-12}{6}=6x-2$  

• Distributive Property of Multiplication Over Addition

• Distributive Property of Multiplication Over Subtraction

• Distributive Property of Division Over Addition

• Distributive Property of Division Over Subtraction