3.1 and 3.2 Review - Algebraic Expressions

14 more than a number x

• x - 14

• 14x

• x¹⁴

• 14 + x

a number y minus 25

• y - 25

• 25 + y

• 25 - y

• b - 25

the quotient of 3 and a number z

• 3/z

• 3 + z

• z - 3

• $3\div z$

Evaluate the expression when a = 10, b = 9, c = 4.

2a + 3

• 213

• 23

• 21

• 11

Evaluate the expression when a = 10, b = 9, c = 4.

a + 9c

(a)  

Evaluate the expression when z = 1, w = 6, x = 2.

wx + 12.3

(a)  

Evaluate the expression when a = 4, w = 8, x = 21.

a² + 6

(a)  

Evaluate each expression using exponents.

 $b\cdot b\cdot b\cdot b$  

•  $b^2$  

•  $b^4$  

• 4b

•  $b^3$  

Write each expression using exponents.

 $g\cdot g\cdot g\cdot g\cdot g\cdot g\cdot g$  

•  $g^7$  

•  $g^5$  

• 5g

• 7g

The following is incorrect. Select the correct product using exponents.

 $3\cdot n\cdot n\cdot n\cdot n\ =\ 4n^3$  

• 3n

•  $n^3$  

•  $3\ +n^3$  

•  $3n\ +n^4$