REVIEW Lesson - Solving Quadratics with Real Solutions

REVIEW Lesson - Solving Quadratics with Real Solutions

Multiple Choice

Which of the following is the correct factorization for the following problem?

 $4x^2-9=0$  

•  $\left(4x+3\right)\left(4x-3\right)$  

•  $\left(2x-3\right)\left(2x-3\right)$  

•  $\left(2x+3\right)\left(2x-3\right)$  

•  $\left(x+3\right)\left(x-3\right)$  

Multiple Select

What are the correct solutions?  CHECK ALL SOLUTIONS!

 $5x^2-8x+3=0$  

•  $-\frac{3}{5}$  

•  $\frac{3}{5}$  

•  $1$  

•  $-1$  

•  $\frac{5}{3}$  

Multiple Select

What are the correct solutions?  CHECK ALL SOLUTIONS!

 $5\left(x-2\right)^2+3=23$  

•  $4$  

•  $0$  

•  $2$  

•  $-1$  

•  $-4$  

Multiple Choice

When completing the square, what is your FIRST STEP on this question:

 $x^2-10x+12=0$  

• Finding the "blank"

• Subtracting 12 from both sides

• Factoring

• Dividing by 2

Multiple Select

What are the solutions?  CHECK ALL SOLUTIONS:

 $x^2-10x+12=0$  

•  $5+\sqrt{13}$  

•  $5-\sqrt{13}$  
  

•  $10+\sqrt{13}$  
  

•  $10-\sqrt{13}$  

•  $-5+\sqrt{13}$