Construct Function to Model Linear Relationship

Andrew purchased a monkey for $150, He then paid $75 per week for food. Let y = 75x + 150 represent this relationship.

Which of the following ordered pairs corresponds to input-output pairs for the functions?

• (0, 75)

• (1, 150)

• (2, 300)

• (3, 225)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Emily went to the movies and spent $15 on snacks. She also spent $8 per movie ticket. Let y = 8x + 15 represent this relationship. Which of the following ordered pairs corresponds to input-output pairs for the functions? SELECT ALL THAT APPLY!

• (0, 15)

• (15, 0)

• (2, 16)

• (2, 31)

• (3, 39)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which graph best represents the equation y = -3x + 4?

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Which is the graph of the equation y = -2x + 1?

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Which is the graph of y= -x + 2?

• A

• B

• C

• D

Which equation represents the linear function in the table:

• y = 3x 

• y = 3x + 4

• y = 7x + 3

• y = 4x + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation represents the linear function in the table:

• y = -6x + 25

• y = -25x + 6

• y = 6x + 25

• y = 25x - 6

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Identify the y-intercept in y = 3x + 5

• 0

• 3

• -2

• 5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Construct a function to model a linear relationship between two quantities. If a plant grows 3 cm every day and starts at 5 cm, what is the equation of the function in slope-intercept form?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation for the line in slope-intercept form.