Math Unit 2 Linear Relationships

What is the slope-intercept form of the equation of a line?

• y=yx+b

• y=mx+b

• x=yx+b

• x=xy+b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Find the slope

• 5/2

• -5/2

• 2/5

• -2/5

Tags

CCSS.8.EE.B.5

What is the y-intercept?

• 1/2

• 2

• 7

• 3

What is the simple definition of slope? 

• line

• run/rise

• undefinied

• rise/run

Tags

CCSS.8.EE.B.5

Which equation has a positive y-intercept and a negative slope?

• y= 3x - 5

• y= -3x + 5

• y= -3x - 5

• y= 3x + 5

A repairman charges $75 to come out to a house plus $40 per hour to repair the damage. Which equation shows his rate of pay?

• y = 40x +75

• y = 75x + 40

• y = 45x + 70

• y = x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

These two lines are graphs of nonproportional relationships. What makes them nonproportional?

• They are not straight

• They are not linear

• They do not go through the origin

• They do not show a constant rate of change

Tags

CCSS.8.EE.B.5

Steve started with $250 and spent $25 per week. Chelsea started with $30 and saved $30 per week.

Which two equations represent these situations?

• y = 250 - 25x

• y = 30 + 30x

• y = 250x + 25

• y = 30x - 30

What type of slope?

• undefined

• positive slope

• negative slope

• zero slope

Tags

CCSS.8.EE.B.5

What type of slope?

• negative

• steep

• undefined

• zero slope

Tags

CCSS.8.EE.B.5