Linear Inequalities Review

Solve the inequality:

x - 17 > 3

• {x|x > 20}

• {x|x < 20}

• {x|x > 14}

• {x|x < 14}

Solve the inequality:

16 > x + 2

• {x|x > 18}

• {x|x < 18}

• {x|x > 14}

• {x|x < 14}

• {x|x > 5}

• {x|x < 5}

• {x|x > -5}

• {x|x < -5}

Solve the inequality:

6x - 8 > 4x + 20

• {x|x < 14}

• {x|x > 14}

• {x|x > 6}

• {x|x < 6}

Four is at least six more than a number. Which inequality represents this?

• 6 < n + 4

• 6 > n + 4

• 4 < n + 6

• 4 > n + 6

More than eighteen students in an algebra class pass this test. This is about three-fifths of the class. How many studens are in the class?

• less than 30

• more than 30

• less than 25

• 25

Which is the graph of the solution set of x < -3 or x > 1?

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Tara's income y consists of at least $42,500 salary plus a 5% commission on all of her sales x. Which inequality represents Tara's income in one year?

• y > 42,500x + 0.05

• y < 42,500x + 0.05

• y > 42,500 + 0.05x

• y < 42,500 + 0.05x

Which inequality has the solution set shown in the graph?

• y > 1/2 x + 1

• y < 1/2 x + 1

• y > 1/2 x - 2

• y < 1/2 x - 2

Which inequality has the solution set of {x| x > 5 or x < -5}?

• |2x| > 10

• |2x| < 10

• |2x| > 10

• |2x| < 10