Vocabulary identification in expressions

Identify the Variable in the expression 5y+7?

• x

• 5y

• y

• 7

Identify the coefficient in the expression.

6y + 7

• 6y

• 7

• 6

• 1

Identify the constant in the expression.

2y + x + 8 + 7p

• 7

• 2

• 1

• 8

A numerical expression has a variable. True or False

• Maybe

• Sometimes

• True

• False

How many variables are in the equation?

7y + 2x + 8 = 29

• 1

• 2

• 3

• 29

Identify the constant in the expression.

2y + 5x + 12

• 2

• 5x

• 12

• 2y

Evaluate 2r + 1      if   r = 3

• 6
• 5
• 7
• 8

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

• 74
• 38
• 1000
• 9000

Evaluate m² if      m = 5

• 10
• 25

How many terms are in the algebraic expression?

2y + x + 4

• 4

• 3

• 5

• 2