Linear Functions Texas

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

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

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

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 an equation of the line given m = 1 and b = 4

• y = 4x + 1

• y = x - 4

• y = -1x + 4

• y = x + 4

Convert the equation 3x -5y = -10 to slope intercept form.

• y = -3/5x - 2

• x = 5/3y - 10/3

• x = -5/3 + 10/3

• y = 3/5x + 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Based on the information in the table, which equation can be used to represent the relationship?

• y = 8x

• y = 5x + 5

• y = 5x + 15

• y = 5x + 40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which of the following equations best represents the relationship between x and y in the graph?

• y = 3x

• y = 0.5x + 3

• y = 0.5x - 3

• y = 3x - 0.5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which situation is best described by the graph shown?

• JJ purchases chips for $0.75 per bag.

• Mark buys packs of gum for $1.50 each.

• Paula pays $0.50 per ticket at the fair.

• Franco purchases flowers for $3.00 each.

Tags

CCSS.8.EE.B.5