Coordinate Plane Table Graph Linear Equations

The best approximations of the y-value is ___________.

• 0

• 2

Enter the answer in the space provided. A system of equations is graphed in the coordinate plane. What is the x-value for the solution to the system of equations?

#51

• A

• B

• C

• D

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

In the xy-plane shown to the right, line l is parallel to line k. What is the value of p?

• 10

• 16

• 6

• 0

Which of the following lines intersects the line 𝑦=2𝑥+1 at the point (1, 3)?

• y = 2x - 3

• y = -4x + 7

• y = -2x + 1

• y = 3x + 2

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

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

𝑓(2) = 3 and 𝑓(−6) = −13. If f(x) is a linear function, what is the y-intercept of f(x)?

• -1

• 0

• 1

• 2