Unit 3.8 HW: Quadratic Inequalities

Is (2, 3) part of the solution set? 
y < 2x² -3x+1

• Yes
• No

Tags

CCSS.HSA.CED.A.3

(2,2) is a solution to the inequality 2x-6y>x²+4x-8

• True
• False

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.12

Solve:

2x² + 5x ≥ 12

• [-4, 1.5]

• (−∞, -4) U (1.5, ∞)

• (−∞, -4] U [1.5, ∞)

• no solution

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Which inequality is represented by the graph?

• y > (x - 3)² - 3

• y ≥ (x + 3)² - 3

• y > (x + 3)² - 3

• y ≥ (x - 3)² - 3

Tags

CCSS.HSA.CED.A.3

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

• y ≥ -(x + 4)² + 1
• y < -(x - 4)² + 1
• y ≤ (x - 4)² + 1
• y ≤ -(x - 4)² + 1

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

Solutions are in the ___________ area.

• non-shaded

• shaded

• vertex

• axis of symmetry

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.12

The graph of a quadratic inequality has a solid line for which inequality symbols?  Select all that apply.

• $<$

• $\ge$

• $>$

• $\le$

Which correctly shows the inequality  $y<\left(x+4\right)^2+1$  ?

• 
• 
• 
• 

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.10

Is the point (2, 1) a solution to the inequality shown?

• Yes

• No

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.12

Which of the following is the interval notation of x² - x - 12 < 0?

• [ 4, 3]

• (-4, -3]

• (-3, 4)

• [-3, 4]

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4