Quadratic Inequalities

Question 1

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

Revolt · Accepted Answer

3; 5

Question 2

The solution set for the quadratic inequality is:

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-03-03-10-05-task/mc001-4.jpg

Question 3

Select all of the other ways that the solution can be represented.

Revolt · Accepted Answer

{x | 3 < x < 5}; Answer image: https://media.edgenuity.com/EVresources/3111-03-03-10-05-task/mr002-1.jpg

Question 4

The inequality –x2 – 6 < 0 has .

Revolt · Accepted Answer

0 critical points

Question 5

What is the solution set of –x2 – 6 < 0?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-03-03-10-07-task/mc001-2.jpg

Question 6

Which graph shows y < x2 + 1?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-03-03-10-12-task/mc001-3.jpg

Question 7

Mario has a business selling muffins. Let x be the price of a muffin. Then, the profit P for Mario’s business is given byChoose the inequality that shows the business will make a positive profit.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-03-03-10-14-task/mc002-5.jpg

Question 8

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

Quadratic Inequalities Answers

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