TEST 2 - Unit2 Quads / QF-Fctr-CN

When do you use the plus or minus symbol?
±

• After taking the square root of both sides
• After adding the square to both sides
• After taking half of b
• After setting the equation equal to zero

Tags

CCSS.HSA-REI.B.4B

Determine the values of a, b, and c for the quadratic equation:

4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve using the quadratic formula.

 $x^2+5x+7=0$  

•  $\frac{-5\pm\sqrt{3}}{2}$  

•  $\frac{-5\pm i\sqrt{3}}{2}$  

•  $\frac{-5\pm\sqrt{53}}{2}$  

•  $\frac{-5\pm i\sqrt{53}}{2}$  

Solve for x.

(x + 4)² = 16

Choose ALL THAT APPLY

• x = 12

• x = 1

• x = 0

• x = -8

What is the opening of the parabola of the quadratic function

 $y=-\left(x+6\right)^2$  ?

• downward

• left side

• right side

• upward

Find the vertex of the quadratic function

 $y=-5\left(x-7\right)^2+1$  .

•  $V\left(0,0\right)$  

•  $V\left(-7,1\right)$  

•  $V\left(-5,7\right)$  

•  $V\left(7,1\right)$  

Graph the function

 $f\left(x\right)=-x^2$  

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Select the factors of the follow phrase:
 $x^2-3x+2$  

• (x–3)

• (x+2)

• (x–2)

• (x+1)

• (x–1)

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

What is this formula?

• This is the speed of light formula.
• This is the quadratic formula.
• This is the zero product property.
• This is scary.

Tags

CCSS.HSA-REI.B.4B