H TEST (O) - SOLVING QUADRATICS ALL METHODS

Solve by factoring

• -4, 2

• -2, 4

• -16

• -4

Tags

CCSS.HSA-REI.B.4B

Given the perfect square trinomial, identify the equivalent expression

x²-18x+81

• (x-18)²

• (x-9)²

• (x+81)²

• (x+9)²

Tags

CCSS.HSA.APR.C.4

Solve by COMPLETING THE SQUARE

x² + 4x - 16 = 0

• 
• 
• 
• 

Tags

CCSS.HSA-REI.B.4B

____________
For the function above, is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not Sure

Tags

CCSS.HSA.REI.B.4

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

x² + 7x + 13

• 400, 2 real root

• 0, 1 real root

• -400, 2 imaginary roots

• -3, 2 imaginary roots

Tags

CCSS.HSA-REI.B.4B

solve using square root property

4x² + 4x +1 = 16

• {2/3, 5/2}

• {5,3}

• {-5/2, 3/2}

• No Solution

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.

 $3x^2=15x$  

•  $x=\pm5$  

•  $x=-5,\ 0$  
  

•  $x=0,\ 5$  

•  $x=5$  

Tags

CCSS.HSA-REI.B.4B

Solve by factoring

 $5x^2-12=17x$  

•  $\left\{-3,20\right\}$  

•  $\left\{-\frac{3}{5},\ 4\right\}$  

•  $\left\{-4,\ \frac{3}{5}\right\}$  

•  $\left\{-20,3\right\}$  

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

You are given the factored equation  $\left(x+8\right)\left(x-2\right)=0$  . What is the next step to solve for x.

• Set  $x+8=0$  and $x-2=0$  

• Nothing the solution is  $x=8$  and  $x=-2$  

• Multiply  $\left(x+8\right)\left(x-2\right)$  

• Choose  $x+8$  or  $x-2$  and write a musical about them

Tags

CCSS.HSA-REI.B.4B