Evaluate Linear Expression Two Variables

Which equation matches the table?

• y = 3x + 9

• y = x + 9 

• y = x + 3

• y = 12x - 3

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

Identify the rate of change (multiplier).

• C

• n

• 5

• 0

Evaluate 2r + 1      if   r = 3

• 6

• 5

• 7

• 8

Evaluate the expression.    Let     c = 3     d = 2
3c + 7d

• 27

• 21

• 29

• 23

Evaluate expression: 5a + b for a= 6 and b= 3

• 33

• 36

• 30

• 59

Add and simplify:
(2x + 1) + (5x - 7)

• 7x + 8

• 7x - 8

• 7x - 6

• 7x + 6

Subtract and simplify:
(x + 10) - (3x + 9)

• -2x + 19

• -2x + 1

• -2x - 1

• 4x + 19

16w + 80m

• 2(8w + 10m)

• 16(w + 5m)

• 4(4w + 20m)

To determine the value of the expression for a given value of each variable in the expression is called what?

• Simplify

• Exponent

• Evaluate

• Estimation

• Equivalent