Constructing Functions

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Before beginning voice lessons, Ryan already knew how to sing 7 pieces, and he expects to learn 2 new pieces during each week of lessons. Write an equation that shows the relationship between the number of weeks x and the number of pieces learned y.

Tags

CCSS.6.EE.C.9

Sonya has $40 in her lunch account and pays $2 each day to eat lunch. Which equation can be used to find the amount of money Sonya has left on her account after x days?

• y = 40 + 2x

• y = 40 - 2x

• y = 2 + 40x

• y = 2 - 40x

Tags

CCSS.HSF-BF.A.1A

Function A is represented by the equation.

Function B is represented by the graph.

Which function has the greater rate of change?

• Function A

• Function B

• Neither. They have the same rate of change.

• There is not enough information to answer this question.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Construct a linear model for the graph.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Construct a linear model for the table.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A bakery has 125 cupcakes and is selling them at 15 per hour. Construct a linear model to represent the number of cupcakes in the bakery.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

If trying to find the y-intercept, what would be the next step?

• Subtract 2 from both sides

• Divide both sides by 2

• Add b and 7

• Multiply 2 and 7

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

If trying to find the y-intercept, what numbers are in the wrong place? Select all that apply.

• y

• m

• x

• b

What variable is the y-intercept in y = mx + b?

• y

• m

• x

• b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3