Unit 3 Review 2019

In the equation y=mx+b, what does the m represent?

• slope
• y-intercept
• linear
• point-slope

What is the slope in the equation y=2x + 3?

• 2
• 3
• 5
• Cannot be Determined 

What does 'b" represent in y=mx+b

• y-intercept(starting point)

• macaroni

• nothing

• slope

What is the y-intercept in the equation y= -2x + 5

• -2
• 3
• 5
• Cannot be Determined

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Varies directly means to__________.

• set up a table and CMAD, because it's proportional

• the slope is zero

• the slope is undefined

• skip the problem

y=5x is proportional because___________.

• slope is 5

• b=1

• b=0

• Wait, it's NOT proportional

Lenny is a member of a local gym. He pays a one-time fee of $120 to join the gym, then has monthly dues, m, of $15.25. Which equation could be used to find c, Lenny's yearly cost for being a member of the local gym?

• c=(120 +15.25)m

• c=15.25m + 120

• c=120m + 15.25

• c=(120+m)(15.25)

What can be used to find the slope and y-intercept?

y=mx+b

• Oh no!

• y=

• stat edit

• time to eat

Which are true about the point (2,-3) TWO ANSWERS

• the y value is 2

• the x value is -3

• the x value is 2

• the y value is -3

Which graph is proportional?

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