Evaluate an Expression Given Values of Variables

Combination of numbers, operations, and variables which can be evaluated for a given value of the variables

• equation

• expression

• term

• coefficient

In 8r - 3 , the VARIABLE is ___

• 8

• r

• -

• 3

Evaluate each expression for the given value of the variable.

a + 6; a = 2

Evaluate the expression
when x=8 and y=12.
4x − 2y 

• 4(8) − 2(12)

• 0

• 8

• 4

Evaluate the expression when x = 7 and y = 4
xy - 4(2)

• 3

• 20

• 48

• 17

• 33

• 110

• 65

Evaluate each expression for the given value of the variable.

7(m - 6); m = 8

Evaluate each expression for the given value of the variable.

7m - 6; m = 8

Evaluate each expression for the given values of the variables.

s - k + x; s = 7, k = 4, x = 6

The expression 4g gives the number of quarts in g gallons. How many quarts are there in 4 gallons?

• 8 quarts

• 1 quart

• 16 quarts

• 32 quarts