Test #1 Review part 3

^{What is the solution?} 

• 1

• -2

• (1, 2)

• (1, -1)

Solve the following system by graphing.  What is the solution?

• Infinite number of solutions

• (3, 3)

• (3, -3)

• (-3, 3)

When you graph an inequality, you use a closed dot when you use which symbols?

• ≤, ≥ 

• <, >

• ≤, <

• ≥, >

Select the correct graph for each inequality.

• A

• B

• C

• _D

Which of the following equations match the given graph?

• y ≥ 2/5x + 1

• y ≥ -2/5x + 1

• y≤  2/5x + 1

• y ≥ -2/5x - 1

Which of the following equations match the given graph?

• y < -1

• y ≤ -1

• x > -1

• x < -1

Is (-2,4) a solution to the system?

• Solution

• Not a solution

Which system of inequalities matches the graph?

• y > 2x - 4
  y < 2

• y < 2x - 4
  y < 2

• y > 2x - 4
  y <  2 

• y < 2x - 4
  y <   -2