Equations Graphs Tables

What algebraic equation shows the relationship between the independent and dependent variables?

• y = ax

• y = x + 12

• y = -3x

• y = 

Nancy can type 50 words per minute. Look at the table below to write an equation that matches the data.

• m=50 + w

• w= 50m

• w= 50 + m

• m= 50 - w

y = x - 6
What is the missing number?

• 12

• 10

• 14

• 13

What is the rate of change (unit rate) for the following graph?

• 80

• 20

• 40

• 160

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

Is the graph proportional or non proportional?

• proportional

• non proportional

• both

• neither

Is the graph proportional or non proportional?

• proportional

• non proportional

• both

• neither

A line is linear if it forms a straight line.  The graph has a straight line.  Which best describes this graph?

• linear and nonproportional

• linear and proportional

• nonlinear and nonproportional

• nonlinear and proportional

What is the function of the table?

• y=3x+1

• y=4x-2

• y=x+1

• y=x+7

What is the equation of the line?

• y = 20x

• y = x + 20

• y = 2x

• y = x + 2