REVIEW ON SOLVING QUADRATIC EQUATIONS

Solve the following equation by completing the square:
n² - 2n - 3 = 0

• {3 and-1}
• {4 and -4}
• {5 and -3}
• {8 and -7}

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

• 
• 
• 

Tags

CCSS.HSA-REI.B.4B

What is the first step to solving THIS equation by completing the square?
a² + 10a + 21 = 0

• Set the equation equal to zero
• Divide 10 by 2 and add the result to both sides
• Add a² and 10a together
• Subtract the 21

Tags

CCSS.HSA-REI.B.4B

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

Solve Using the Quadratic Formula 
2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

Tags

CCSS.HSA-REI.B.4B

What is one of the solutions to this equation?
(2x - 1)² = 49

• 7
• -7
• -4
• -3

Tags

CCSS.8.EE.A.2

Solve by completing the square.
 $x^2-8x-20=0$  

•  $x=\left\{-2,\ 10\right\}$  

•  $x=\left\{-10,\ 2\right\}$  

•  $x=\left\{-20,\ -8\right\}$  

•  $x=\left\{8,\ 20\right\}$  

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square.
 $x^2-12x+20=0$  

•  $x=\left\{2,\ 10\right\}$  

•  $x=\left\{-10,\ -2\right\}$  

•  $x=\left\{-12,\ 20\right\}$  

•  $x=\left\{12,\ 20\right\}$  

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square.
 $x^2-6x-59=0$  

•  $x=\left\{\pm2\sqrt{17}+3\right\}$  

•  $x=\left\{\pm17\sqrt{2}+3\right\}$  

•  $x=\left\{\pm2\sqrt{17}-3\right\}$  

•  $x=\left\{\pm17\sqrt{2}-3\right\}$  

Tags

CCSS.HSA-REI.B.4B

Create a Perfect Square Trinomial
x² + 22x + ____

• 11
• - 11
• 121
• -121

Tags

CCSS.HSA-REI.B.4B