Unit 6 Review Linear equations 7th math

Max has begun running to get in shape. In one 1 day he ran 3 miles.

Which equation best represents y, the total number of miles Max ran in x days if he continues at this rate?

• x = y + 3

• y = x + 3

• x = 3y

• y = 3x

• A

• B

• C

• D

Which equation represents the table?

y = ​ (m)_____   x + ​ (b)________  

• y=-5x+6

• y=6x+5

• y=5x+6

• y=-6+5

• F

• G

• H

• J

A butterfly travels 15 miles twice an hour. Which graph best represents this relationship?

• F

• G

• H

• J

Henry charges a flat fee of $25 and an additional $40 per hour to repair computers. Which equation best models how much Henry charges for repairing a computer, y, for x hours?

• y = 25x + 20

• y = 25x - 40

• y = 40x + 25

• y = 40x - 25

Identify the:

Slope:______

y-intercept:_____

Equation:______

• Slope=2

  y-int.=-2

  equation= y=2x-2

• Slope= -2

  y-int.= 2

  equation= y=-2x + 2

• Slope= 1/2

  y-int.= 1

  equation= 1/2x + 1

• Slope= -1/3

  y-int.= 5

  equation= y=-1/3x + 5

Find the slope of the table:

(for the answer type m=____)

Identify the:

Slope:______

y-intercept:_____

Equation:______

• Slope: -3/4

  y-intercept: -1

  equation: y= -3/4x -1

• Slope: -4/3

  y-intercept: -1

  equation: y= -4/3x -1

• Slope: -1

  y-intercept: -1

  equation: y= -1x -1

• Slope: -4

  y-intercept: -1

  equation: y= -4x -1

Write the slope-intercept form for the table:

for the answer put "y=____"