SBAC Inequalities

-3x² + 45 ≥ 6x

• -5 < x < 3

• -5 ≤ x ≤ 3

• x < -5 or x > 3

• x ≤ -5 or x ≥ 3

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

Solve the system of inequalities by graphing.

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When you graph an inequality, you used a solid line when you use which symbols?

• ≤, ≥ 

• <, >

When graphing an inequality, you use a dotted line when you use which symbol?

• <, >

• ≤, ≥ 

Which point below is NOT part of the solution set?

• (0, 0)

• (5, 1)

• (-1, -3)

• (20, -5)

Match the graph with its inequality.

• 11 < a

• 11 > a

•  11 ≤ a

•  11 ≥ a

Which inequality represents all possible solutions of -3x ≥ 21 ?

• x ≤ 72

• x > 72

• x ≤ -7

• x < 7

Which region contains the solution set of this system of linear inequalities:

• Region A (white)

• Region B (red)

• Region C (purple)

• Region D (blue)

A student earns $13 per hour. She wants to earn at least $300. Which inequality represents all of the possible numbers of hours (h) the student could work to meet her goal?

• h ≥ 13

• h > 24

• h ≥ 24

• h ≥ 300