writing linear equations test review

Write a slope-intercept equation of the line containing the point (-3,5) and (4,3)

If chocolate chip cookies cost $3.00 per cookie plus $2 for boxing them up in a decorated box, what would the expression be?

• y = 3 + 2x

• y = 3x + 2

• y = 3x + 2x

• y = 5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the equation of the linear function?

• y = -3x + 10
• y = -3x + 16
• y = 3x + 10
• y = 3x + 16

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A tank contains 20 gallons of gasoline. Two gallons are drained out of the tank every minute. Write a function that describes the sentence above.

Sonya has $40 in her lunch account and pays $2 each day to eat lunch. Which equation can be used to find the amount of money Sonya has left on her account after x days?

• y = 2x + 40

• y = -2x + 40

• y = 40x + 2

• y = -40x + 2

Tags

CCSS.6.EE.C.9

A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe. Write an equation representing the cost, y, of renting a canoe for x hours.

• y = 30x + 20

• y = 30 + 20x

• y = 50x

• y = 60x

 Identify the slope-intercept equation:

• y = 2x - 2
• y = -2x + 2
• y = -2x + 4
• y = 2x + 4

Write the equation of the line through the points (8, −7) and (−2, 8).

• y = 3/2x + 11

• y = −3/2x + 11

• y = −3/2x + 5

• y = 3/2x − 19

Which equation best represents the line on the graph?

• y= 1/2x
• y= -1/2x
• y = 2x
• y = -2x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3