Unit 2 - Linear Equation Review

Which statement cannot be justified from the graph?

• 4 brownies costs $10

• There’s a positive relationship between brownies sold and money collected

• The rate of change shows that each brownie costs $2.50

• Older students buy more brownies than younger students

Tags

CCSS.HSF.IF.B.4

The graph of the line x = -4 has which of the following features?

• Positive slope

• Negative slope

• Zero Slope

• Undefined slope

Tags

CCSS.8.EE.B.5

What is the slope of the line whose equation is

6y – 9x = 18?

• -9

• -2/3

• 3/2

• 6

Tags

CCSS.8.EE.B.5

In one linear relationship the value of y decreases when the value of x decreases. This line would have…

• Positive slope

• Negative slope

• Zero slope

• Undefined slope

Tags

CCSS.8.EE.B.5

A plumber’s pricing plan can be modeled with the function p(x) = 75x + 125, where x is the number of hours the plumber works on a job and p(x) represents the price. Which statement is true?

• A 10-hour job will cost $750

• The plumber charges $125 per hour

• The plumber pays $75 per employee working

• The plumber charges $125 for a house call plus $75 per hour worked.

Tags

CCSS.HSF.LE.B.5

Which ordered pair is a solution to 2x + 5y = 20?

• ( 3, 5)

• ( 5, 2)

• ( -1, 10)

• ( -5, 9)

What is the slope of the line that passes (-11, 2) and (-1, -13)?

• m = -5/4

• m = -3/2

• m = 11/10

• m = 2/3

Tags

CCSS.8.EE.B.5

Find the value of the x-intercept for the equation -3x + 8y = 96

• (0, -12)

• (0, -32)

• (12, 0)

• (-32, 0)

A gym charges a $40 registration fee and $25 per month of membership. Create an equation to model the price (y) based on (x) months of membership.

• y = 40x + 25

• y= 25(40) + x

• y = 25x + 40

• y = 40x - 25

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Create an equation of a line that has a slope of 2 and passes (5, 3)

• y = 2x + 3

• y = 2x - 7

• y = 2x - 5

• y = 2x + 13