Simple Algebra Expressions

y minus 12

• y + 12

• y - 12

• y x 12

• y / 12

Identify the variables in the following expression: 4x + 2y - 6

• 4, 2, -6

• -4 and x

• X and Y 

• -6

Evaluate m² if m = 5

• 10

• 25

• 15

• 20

Evaluate 8a - b     if a = 10   and   b = 6

• 74

• 38

• 1000

• 9000

Evaluate 6a x b + 2c if a = 3, b = 10, and c = 7

• 19

• 194

• 180

• 14

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Simplify the expression:
4x + 5 - 2x - 8

• 6x + 3

• 2x + 13

• 2x - 3

• 6x - 3

Simplify this expression:

4.6x - 5.3x + 10.2y + 9 - 7.6

• 0.7x + 10.2y +16.6

• -9.9x + (-10.2y) + 1.4

• -0.7x +10.2y 16.6

• -0.7x + 10.2y + 1.4

A _____________ is a symbol, usually a letter that stands for a number. 

• coefficient

• algebraic expression

• variable

• term

A(n) __________________ consists of one or more numbers, variables, and operations. 

• numeric expression

• term

• variable

• algebraic expression