Enhanced Algebra Unit 3 Review

Multiple Choice

Solve the following system of equations. What is the solution?

• (3, -1)

• (-1, -3)

• (-1, -1)

• (-1, 3)

Multiple Choice

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Multiple Choice

Which graph is showing the following system of equations?

y = -5/3x - 2 and y = 1/3x + 4

Multiple Choice

Colin needs to save at least $200 for homecoming. He works 2 jobs earning $9/hour at Wawa and $25/hour mowing lawns. He only has time to work 16 hours before homecoming.

• x + y ≥ 25

  x + y ≤ 9

• 100x + 25 y ≤ 200

  2x + 9y ≤ 16

• x + y ≥ 200

  9x + 25y ≤ 16

• 9x + 25y ≥ 200

  x + y ≤ 16

Multiple Choice

The talent show committee sold a total of 530 tickets in advance. Student tickets cost $3 each and the adult tickets cost $4 each. If the total receipts were $1740, which system could be used to find how many of each type of ticket were sold?

• S + A = 530
  3S + 4A = 1740

• S + A = 1740
  4S + 3A = 530

Multiple Choice

Which of the following equations has a graph PARALLEL to the line y = 4x + 7 and has an y-intercept of -2?

• $$y=4x-2$$

• $$y=4x+8$$

• $$y=\frac{1}{4}x-2$$

• $$y=-\frac{1}{4}x-2$$

Multiple Choice

Which of the following equations has a graph PERPENDICULAR to the line y = 4x + 7 and has an y-intercept of -2?

• $$y=4x-2$$

• $$y=4x+8$$

• $$y=\frac{1}{4}x-2$$

• $$y=-\frac{1}{4}x-2$$