Quadratic Inequalities

Question 1

Select the values that are solutions to the inequality x2 + 3x – 4 > 0.

Revolt · Accepted Answer

–6; 5

Question 2

Look at the factorization shown below.0 < –100x2 + 350x – 1500 < –50(2x2 – 7x + 3)0 < –50(2x – 1)(x – 3)Select the range that Mario can choose from to price his muffins and make a positive profit.

Revolt · Accepted Answer

$0.50 < x < $3.00

Question 3

Solve x2 – 8x + 15 < 0.Select the critical points for the inequality shown.

Revolt · Accepted Answer

3; 5

Question 4

Select the intervals that must be tested.

Revolt · Accepted Answer

x < 3; 3 < x < 5; x > 5

Question 5

The inequality –x2 – 6 < 0 has .

Revolt · Accepted Answer

0 critical points

Question 6

Select all of the ordered pairs that make the inequality y > x2 + 3x – 4 true.

Revolt · Accepted Answer

(0, 0); (–2, –1)

Quadratic Inequalities Answers

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