Build: Slope and Y-Intercept

The cost of renting a sailboat at a lake is $20 per hour plus $12 for lifejackets. What is the slope of this situation?

• $0

• $20

• $12

Tags

CCSS.8.EE.B.5

The cost of renting a sailboat at a lake is $20 per hour plus $12 for lifejackets. What is the equation in slope-intercept form that can be used to calculate the total amount you would pay for using this sailboat.

• y=12x-20

• y=20x-12

• y=20x+12

• y=12x+20

A balloon is released from the top of a platform that is 50 meters tall. The balloon rises at the rate of 4 meters per second. What is the equation in slope-intercept form that tells the height of the balloon above the ground after a given number of seconds.

• y=50x-4

• y=4x-50

• y=4x+50

• y=50x+4

Which represents a linear relationship?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Tags

CCSS.8.F.A.3

Stella got a new internet plan.  The company charges her $0.15 for each minute plus a monthly fee of $40.  What equation would be used to calculate how much the cost is for her new internet plan?

• y=0.15x-40

• y=0.15x+40

• y=0.15-40x

• y=0.15+40x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

James is going bowling.  It will cost him $1.75 per game plus $2.50 to rent the shoes.  What is the equation used to calculate the cost of going bowling?

• y=1.75x+2.50

• y=2.50x+1.75

• y=1.75x-2.50

• y=-1.75+2.50x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Alex works as a lawnmower and his company pays him $5 a day plus an additional $5 every hour he works. Which graph represents the amount of earnings that Alex can make in one day?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

What is the equation of the graph?

• y = 21x - ⅗

• y = 21x + ⅗

• y = ⅗x + 21

• y = -⅗x + 21

Which statement is true about this graph?

• The y-intercept is 2 and the slope is 2.

• The y-intercept is 2 and the slope is -2.

• The y-intercept is 2 and the slope is 1/2.

• The y-intercept is is 1/2 and the slope is -2.

Tags

CCSS.8.EE.B.5

Sandra has a $20 itunes gift card and spends $3 each month.  Which equation can be used to find how much money Sandra has on her giftcard after x months?

• y = 3x + 20

• y = 3 + 20x

• y = -3x + 20

• y = -20x + 3

Tags

CCSS.6.EE.C.9