Graph Linear Function by Using Slope Intercept Form

A pet store is cleaning four fish tanks. The equations below show y, the number of gallons of water in each fish tank, after x minutes of draining. Which fish tank is draining at the slowest rate?

• y = -2x+40

• y = -5x+30

• y = -10.5x+100

• y = -30x+70

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Marsha starts the week with $20, and she gets a job that pays $15 per hour. Write an equation in slope intercept form representing the amount of money Marsha will have at any given number of weeks.

Tags

CCSS.6.EE.C.9

The table of values shows the relationship between two variables. Which of the following equations best represents the table shown?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What does the "b" stand for in y=mx+b?

• slope

• x-intercept

• y-intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What letter represents the slope of a line in the equation y = mx + b?

• y

• m

• x

• b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept of the line graphed below?

• 3

• 4

• -3

Which equation represents the following graph?

What is the slope intercept equation of the line?

What is the unit rate of change for the following graph?

• .18 ft/1 min.

• 2 ft./1 min.

• 0.5 ft./1 min.

• 5.5 ft./1 min.

Tags

CCSS.HSF-LE.A.1B

Given that m = 2/3 and a point of (9, -18) for a line, what is the y-intercept of the line?

• -18

• -12

• -24

• 6