Independent and Independent Variables Tables, Graphs, Equations

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

Is the graph proportional or non proportional?

• proportional

• non proportional

• both

• neither

What is the constant of Proportionality for this table?

• 1/9

• 9

• 8

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

You earn $18 for every hour you work. Which equation represents this function?

• y=(18/2)x + 0

• y = 18x

• y = 2x + 18

• y = 18x + 2

You are visiting Houston, Texas and a taxi cab company charges a flat rate of $4.00 for using the cab and $0.95 per mile.  Write an equation to determine the cost when x miles is driven.

• y = .75x

• y = .95x

• y = .95x + 4

• y=4.95x

Write an equation for this relationship.

• y=18x

• y=18.50x

• y=22.50x

• y=22x