Solving a Quadratic by Taking the Square Root

Solve for x.

-7(x + 3)² + 63 = 0

• x = 0, 6

• x = -6, 12

• x = -6, 0

• x = 6, 12

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

If the graph of a quadratic does not intercept the x-axis at any point, then it has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

Tags

CCSS.HSF-IF.C.7A

Solve for x.

x² = 36

• x = ± 6

• x = ± 18

• x = 6

• x = 18

Tags

CCSS.8.EE.A.2

 $Solve\ \ -3x^2-6=0$  

•  $x=\pm\sqrt{2}$  

•  $x=\pm\sqrt{-2}$  

• No real solution

•  $x=\pm3$  

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSF-IF.C.7A