Intermediate Algebra Review

Which ordered pair(s) is a solution to the given system?

• (5, -5)

• (0,0)

• (-5, -2)

• (3,-3)

This system has an infinite number of solutions, TRUE or FALSE?

• TRUE

• FALSE

Which inequality is graphed on the given coordinate plane?

• y < x + 2

• y > x + 2

• y ≤ x + 2

Are the points on the boundary line part of the solution set or not?

• Yes, they are part of the solution set

• No, they are NOT part of the solution set

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 point below is NOT part of the solution set?

• (0, 0)

• (-10, -10)

• (1, -1)

• (5, 20)

The graph shown is for the inequality y ≥ x. The graph has one thing wrong. What is it?

• The shading is on the wrong side of the boundary line

• The boundary line should be dotted or dashed

• The boundary line has the wrong y-intercept

• The boundary line has the wrong slope

Which of the following equations match the given graph?

• y > 2x - 5

• y ≥ 7/4x + 2

• x < -5

• x > -5

Identify the inequality.

• y > x+1

• y ≤ 1x+1

• y ≥ x+1

• y ≤ x-1

When is this function increasing?

• -2.5 < x < 2.5

• 0 < x < 5

• 0 < x < 55

• -5 < x < 0