Algebraic Relationships Equations Tables and Graphs

Does the following table represent a proportional relationship? If so identify the constant of proportional and create an equation to represent it.

• Proportional; k = 1/40 pages per day; y=1/40x

• Proportional; k = 40 pages per day; y=40x

• Not Proportional

• Proportional; k = 40 days per pages; y=40x

Tags

CCSS.7.RP.A.2B

Does the following table represent a proportional relationship? If so, identify the constant of proportionality and create an equation to represent it.

• Proportional; k=8; y=8x

• Not Proportional

• Proportional; k = -8; y=-8x

• Proportional; k=1/8; y=1/8x

Tags

CCSS.7.RP.A.2B

What makes a graph proportional?

• It is a straight line.

• It goes through the origin.

• It does not go through the origin.

• If it goes down instead of up.

Tags

CCSS.8.EE.B.5

What is the unit rate for the table?

• $1 / 3 watermelon

• $3 / 1 watermelon

• 1/3 watermelon / pound

• $0.33 / 1 watermelon

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Write the equation for the table:

• y = 2x - 10

• y = 2x - 12

• y = 4x - 18

• y = 2x - 14

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation for the table given

• y = x + 3

• y = 3x

• y = x - 3

• y = x/3

Tags

CCSS.6.EE.C.9

• Company 1 because the cost of 500 text messages is $15.

• Company 1 because the cost of 500 text messages is $20.

• Company 2 because the cost of 500 text messages is $25.

• The costs for both plans are exactly the same for 500 text messages.

Tags

CCSS.8.EE.B.5

John traveled 200 miles in 4 hours. The graph represents the miles traveled versus the hours driven. Write an equation to represent the situation.

• y = 200x

• y= 50x + 20

• y = 50x

• y = 200x + 4

Tags

CCSS.8.EE.B.5

Which equation is graphed?

• y = x + 2

• y = x - 2

Which set of ordered pairs represents the relation shown in the graph?

• {(3, -5), (-2, 0), (2, 0), (-1, 1), (3, 5)}

• {(5, -3), (2, 0), (0, -2), (-1, 1), (-3, -5)}

• {(-5, 3), (0, -2), (2, 0), (1, -1), (3, 5)}

• {(-5, 3), (-2, 0), (0, 2), 1, -1), (3, 5)}