4.4 Factoring Quadratics (a > 1)

4.4 Factoring Quadratics (a > 1)

 $y\ =\ 5x^2+11x+2$  

Find the x-intercepts by factoring

 $y=3x^2-7x+2$  

Find the x-intercepts 

Multiple Choice

What is the correct factorization of

 $y=7x^2+10x+3$  ?

•  $\left(7x+1\right)\left(x+3\right)$  

•  $\left(7x+3\right)\left(x+1\right)$  
  

•  $\left(7x-3\right)\left(x-1\right)$  

• none of these

Multiple Choice

What is the correct factorization of 
 $y=3x^2+x-2$  

•  $\left(2x+1\right)\left(x-2\right)$  

•  $\left(2x-2\right)\left(x+1\right)$  

•  $\left(3x-2\right)\left(x+1\right)$  

•  $\left(3x+1\right)\left(x-2\right)$  

 $y=4x^2+16x+15$  

slide method

 $y=8x^2+31x-4$  

slide method

Multiple Choice

What is the correct factorization of

 $y=4x^2-4x-3$  

•  $\left(4x+1\right)\left(x-3\right)$  

•  $\left(4x-1\right)\left(x+3\right)$  

•  $\left(2x-1\right)\left(2x+3\right)$  

•  $\left(2x-3\right)\left(2x+1\right)$  

Multiple Choice

What is the correct factorization of

 $y=6x^2+13x+6$  

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

•  $\left(6x+1\right)\left(x+6\right)$  

•  $\left(x+2\right)\left(6x+3\right)$  

•  $\left(3x+1\right)\left(2x+6\right)$