Quadratic Inequalities

Question 1

Determine the solution for.

Revolt · Accepted Answer

[image 1] or [image 2]

Question 2

Which graph represents the solution for x2 + x – 12 > 0?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-03-03-20-02-task/mc001-3.jpg

Question 3

{x | x = 6} {x | –6 x < 6}{ }{ and }

Revolt · Accepted Answer

{ [image 1] and [image 2] }

Question 4

all real numbers✔ the empty setx = 2 or x = 4x = –2 or x = 4

Revolt · Accepted Answer

✔ the empty set

Question 5

–8, –6, –4–10, –6, 0 –6, 0, 6–6, 0, 10

Revolt · Accepted Answer

–8, –6, –4; –10, –6, 0

Question 6

Choose the graph of y < –x2 + 4x + 5.

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-03-03-20-05-task/mc001-1.jpg

Question 7

Question 7

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-03-03-20-06-task/mc001-1.jpg

Question 8

Question 8

Revolt · Accepted Answer

Graph the solid, downward-opening parabola y = −x² + 2x, with vertex (1, 1) and roots 0 and 2. Test a point not on the boundary, then shade below the parabola, inside its arms.

Question 9

A rectangular prism must have a base with an area of no more than 27 square meters. The width of the base must be 9 meters less than the height of the prism. The length of the base must be 6 meters more than the width of the base. Find the maximum height of the prism.Let x = the height of the prismx – 9 = ✔ the width of the basethe length of the basethe area of the base

Revolt · Accepted Answer

✔ the width of the base

Question 10

x – 6x + 6✔ x – 3 = the length of the prism

Revolt · Accepted Answer

✔ x – 3

Quadratic Inequalities Answers

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