Linear Equations

The monthly cost of renting a laptop is shown in the graph. Which equation best represents the cost, y, of renting the laptop for, x, months?

• y = 45x

• y = 35x + 45

• y = 65x + 45

• y = 20x + 45

Tags

CCSS.8.EE.B.5

Look at the table. Which equation best models the data?

• f(x) = -4x + 1

• f(x) = 2x - 8

• f(x) = -12x + 3

• f(x) = 2x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Trenton sells 3 pounds of barbeque for $28.74. If the cost of the barbeque directly varies with the number of pounds sold, which of the following does not reflect the same relationship?

• 6 pounds of barbeque for $57.48

• 9 pounds of barbeque for $82.26

• 12 pounds of barbeque for $114.96

• 15 pounds of barbeque for $143.70

Which table shows a relationship that is proportional?

• A

• B

• C

• D

Tags

CCSS.7.RP.A.2D

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.4A

• -6
• -11/3
• 11/3
• 6

Tags

CCSS.8.EE.C.7B

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.4A

solve 14.35 = 4.1x

• x = 3.5

• x = 3.8

• x = 4

• x = 58.83

Tags

CCSS.6.EE.B.7

Two quantities, x and y, are related such that y varies directly with x. If the graph of this relationship contains point (-3, 2), which point also belongs on the graph?

• (9, -6)

• (0, -1)

• (-12, 11)

• (21, -10)

Write the slope intercept equation for the line shown on the coordinate plane.

• f(x) = 3x - 1

• f(x) = -3x - 1

• f(x) = 1/3x + 1

• f(x) = 1/3x - 1