Linear Equations and Inequalities

Which linear inequality is featured on the graph?

• y ≥ 2/3x + 3

• y ≤ 2/3x + 3

• y < -3/2x + 3

• y ≤ 3/2x + 3

Which of the following best describes linear functions?

• Graphs that can be drawn with infinite solutions

• Having a constant rate of change

• Curves that have a slope

• A line that passes through the origin

Find the equation of the line that passes through: (-8, 12) and (4, 3)

• y = 1/4x + 2

• y = -3/4x+6

• y = 3/4x + 18

• y = -3/4x + 12

Which equation has an x-intercept at 4 and a y-intercept at -6?

• 4x - 6y = -24

• 3x + 4y = -6

• y = 4x - 6

• 4y - 6x = -24

Which function has a slope of 0?

• y = 2

• x = 0

• y = x

• x = 2y

Write the linear function through: (4, 7) and (-1, -13)

• y = 4x - 7

• y = 4x - 9

• y = 1/4x + 3

• y = -4x + 23

If the total amount spent at a carnival for x number of rides can be modeled by C(x) = 2.25x + 6, which of the following is most likely true?

• It cost $8.25 per ride

• It cost $6 per ride and $2.25 to enter.

• It cost $2.25 per ride and $6 to enter.

• It cost $2.25 per ride and $8.25 to enter

Which of the following relations is a function?

• { (2, 5) , (4, 7) , (2, 1) , (5, 9) }

• { (1, 8) , (4, 8) , (-3, 8) , (8, 8) }

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

• { (2, 5) , (7, 7) , (5, 13) , (5, 12) }

When you park in Jack's Garage, it cost $5 to park for the first two hours. Then, each hour after costs $8. Which equation represents the total cost for x hours if someone is parking for more than 2 hours?

• C = 5x + 8(x - 2)

• C = 13x

• C = 5 + 8(x - 2)

• C = 5 + 8x

Find the slope of the line.

• Undefined
• 0
• 1/1
• -1/1