Non-linear equations (one variable)

Write the following quadratic expression in completed square form...

x² - 12x + 25

• (x - 6)² + 13

• (x - 6)² - 11

• (x - 6)² + 11

• (x + 6)² - 13

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots.

 $12x^2+4=-236$  

•  $\pm2i\sqrt{5}$  

•  $-\sqrt{20}$  

•  $\pm20i$  

•  $\pm5i\sqrt{2}$  

Tags

CCSS.HSA-REI.B.4B

Complete the square of the function:

f(x) = x² + 12x - 2

• f(x) = (x + 6)² + 142
• f(x) = (x + 6)² - 34
• f(x) = (x + 6)² - 38
• f(x) = (x + 6)² + 34

Tags

CCSS.HSA-REI.B.4B

When taking the square root of an equation such as (x + 3)² = 36, one should remember....

• ... to ask Mrs. Piccininni for help.

• ... to include both "+" and "-" signs.

• ... to stare at it long enough.

• ... that the answer will always be rounded.

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation.
x² - 10x + 25 = 0

• x=5, x=3
• x=5, x=5
• x=5, x=-5
• x=-5, x=-5

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

What is the BEST method to use to solve  $x^2+6x=-8$  ?

• Radical

• Completing the Square

• Factoring

Tags

CCSS.HSA-REI.B.4B

Solve the equation by completing the square and then finding the roots. 
x²+ 6x - 40= 0

• x = -7, 7
• x = 4, -10
• x = -4 +- √7
• x = 10, -4

Tags

CCSS.HSA-REI.B.4B

Solve: $\left(2x-1\right)^2=9$  

•  $\left\{2,\ -1\right\}$  

•  $\left\{2\right\}$  

•  $\left\{2,\ 1\right\}$  

•  $\left\{5,\ -3\right\}$  

Tags

CCSS.HSA-REI.B.4B

Which two methods requires the quadratic equation to be in standard form before you can begin solving?

• Factoring

• Square root method

• Quadratic formula

• Completing the square

Tags

CCSS.HSA-REI.B.4B