3rd 9-weeks Exam Review

Find the roots of this quadratic.  $3x^2+x-14=0$  

• no solution

•  $\left\{-6,\ 7\right\}$ 

•  $\left\{-\frac{7}{3},\ 2\right\}$ 

•  $\left\{-7,\ 2\right\}$ 

Which of the following is a solution of
 $5\left(v+3\right)-10v>-10$  

•  $v<5$  

•  $v>5$  

•  $v>-5$  

•  $v<-5$ 

If  $f\left(x\right)=6x^2-4$  what is  $f\left(-2\right)$  ?

•  $-16$ 

•  $-28$ 

•  $12$ 

•  $20$ 

Which of the following factors could be a factor of $5x^2-13x-6$  ?

•  $5x-2$  

•  $5x+2$  

•  $x+3$  

• none of the above

Which of the following methods can be used to solve quadratics? Select all that apply.

• solving by factoring

• solving by graphing

• solving by the quadratic formula

Describe the transformation of  $y=\left(x-4\right)^2$  

• Shift UP

• Shift DOWN

• Shift LEFT

• Shift RIGHT

What is the vertex of the quadratic function:
 $y=x^2-6x+11$  

•  $\left(3,\ 2\right)$  

•  $\left(-3,\ -2\right)$  

•  $\left(-3,\ 2\right)$ 

•  $\left(3,\ -2\right)$ 

Find the y-intercept of  $f\left(x\right)=2x^2-2x+1$  

•  $2$  

•  $-2$ 

•  $1$  

•  $-1$