Unit 2a Quadratics Test Extra Credit

Solve
 x² - 10 = 26

• x = -6, 6
• x = -4, 4
• x = 4, 6
• No solution

Tags

CCSS.8.EE.A.2

What is the vertex for the parabola represented by the equation
y = 2(x + 3)² - 8?

• (3, 8)
• (3, -8)
• (-3, 8)
• (-3, -8)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1
• f(x) = (x + 2)² - 1
• f(x) = -(x + 2)² - 1
• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

Factor: x² – 5x – 24

• (x - 5)(x + 19)
• (x - 8)(x + 3)
• (x - 3)(x + 8)
• (x - 19)(x + 5)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.REI.B.4

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

• 
• 
• 

Tags

CCSS.HSA-REI.B.4B

If the discriminant is positive and a perfect square, then the solution will be

• one real solution

• two real rational solutions

• two real irrational solutions

• one imaginary solution

Tags

CCSS.HSA-REI.B.4B

Determine the value of the discriminant and name the nature of the solution for the following:

x² + 7x + 13

Remember: b² - 4ac

• 400 -:2 real, rational

• 0 :1 real, rational

• √(-400) -:2 non-real complex - imaginary

• -3 : 2 non-real , imaginary

Tags

CCSS.HSA-REI.B.4B

Solve By using Quadratic Formula:

 $5v^2+2=-5$  

•  $\pm\sqrt{\frac{7}{5}}$  

•  $\sqrt{\frac{7}{5}}$  

•  $\pm i\sqrt{\frac{7}{5}}$  

•  $\pm i\sqrt{\frac{3}{5}}$  

Solve by the Quadratic Formula:

 $9u^2-11u+7=0$  

•  $\frac{-11\pm\sqrt{131}}{18}$  

•  $\frac{11\pm\sqrt{131}}{18}$  

•  $\frac{11\pm\sqrt{131}}{-18}$  

•  $\frac{11\pm i\sqrt{373}}{18}$  

Tags

CCSS.HSA-REI.B.4B

3x² - 15x + 18

• 3(x-2) (x-3)
• (3x-6) (x-3)
• (3x-9) (x-2)
• PRIME

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

CCSS.HSA.APR.B.3