Figure Out Equation of Line

Which of the following equations best describes the function in the figure shown?

• y = x + 2

• y = x - 2

• y = -x + 2

• y = -x - 2

#51

• A

• B

• C

• D

Which of the following equations best describes the function in the figure shown?

• y = -2x - 1

• y = -2x + 1

• y = 2x - 1

• y = 2x + 1

Which of the following represents the relationship between h and C in the graph?

• h = 3C

• C = 3/4h + 5

• C = 5h

• C = 3h + 5

Write the equation of the line.

• y = x + 1

• y= x - 1

• y= -x + 1

• y= -x - 1

What is the equation of this line?
_{(in the form y = mx + c)}

• y = -3x + 2

• y = 2x - 3

• y = 2x + 3

• y = -2x - 3

Write the equation of a graph.

• y = -2/3x - 2

• y = 2/3x - 2

• y = 3/2x - 2

• y = -3/2x - 2

State the equation of the straight line.

• y = - x - 1

• y = - 1

• x = -1

• y = - x

Write the equation of the graph.

• y = 6/5x + 2

• y = -6/5x + 2

• y = 5/6x + 2

• y = -5/6x + 2

Jose is using his laptop and wants to recharge it before the battery completely runs out. He recorded the battery charge for the first 30 minutes after he plugged it in to get an idea of when it would be completely charged. The table above shows the results. Which linear function represents the percent battery charge on Jose’s laptop x minutes after he plugged it in?

• 𝑓(𝑥) = 1.5𝑥 + 19

• 𝑓(𝑥) = 2𝑥 + 14

• 𝑓(𝑥) = 2.5𝑥 + 9

• 𝑓(𝑥) = 10𝑥 + 34