Tables and Linear Functions

Jeff earns $10 per hours raking leaves. Write an equation to find the amount of money "y" he earns for "x" number of hours.

• y = 10x

• x = 10y

• y = x + 7

Pablo has $12. He earns $7 for every lawn he mows. Write an equation to find the amount of money "y" he will have after "x" number of lawns.

• y = 12x + 7

• y = 7x + 12

What is the function of the table?

• y=x+3

• y=x*3

• y=x÷3

• y=x-3

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

Greg gets paid $6 an hour working in a garden. Use the equation m=6h, where m is the money he makes, and h is the hours he works. How much money does he make if he works 9 hours?

• $15

• $3

• $54

• $53

Write the equation.

• f(x) = -5x + 1

• f(x) = x + 5

• f(x) = -2x

• f(x) = -5x + 6

Write the equation.

• f(x) = 3x - 7

• f(x) = 3x - 1

• f(x) = 3x - 4

• f(x) = 2x + 3

Jenny writes the equation y = 1/2x +5.
Why is she incorrect?

• The slope is -2, the equation should be
  y = -2x + 5

• The y-intercept is 4, the equation should be y = -2x + 4

• The slope is -1/2, the equation should be
   y = -1/2x + 5

• The y-intercept is -5, the equation should be y = -2x - 5

Write the equation with a slope of -3 and a y-intercept of (0, 4).

• y = -3x + 4

• y = -12x

• y = x + 4

• y = 4x - 3

A camp charges families a fee of $625 per month for one child and a certain amount more per month for each additional child. Use the graph to write an equation in slope-intercept form to represent the amount a family with x additional children would pay.

• y = 625x + 225

• y = 225x 

• y = 225x + 625

• y =  625