Algebra 1 Quadratic Equations Pre/Post Quiz

Which is the vertex form of a quadratic equation?

• $y=a\left(x-h\right)^2+k$

• $y=ax^2+bx+c$

• $y=a\left(x-r\right)\left(x-s\right)$

What is the vertex of  $y=a\left(x-h\right)^2+k$ ?

•  $\left(a,\ k\right)$  

•  $\left(h,\ k\right)$  

•  $\left(-h,\ k\right)$  

Is  $y=-3\left(x+1\right)^2-4$  graphed?

• Up

• Down

What is the vertex of  $y=3x^2+5$  ?

•  $\left(0,\ 5\right)$  

•  $\left(3,\ 5\right)$  

•  $\left(5,\ 0\right)$  

•  $\left(5,\ 3\right)$  

What is the axis of symmetry of  $y\ =\ 3x^2+5$  ?

•  $x=3$  

•  $x=0$  

•  $x=5$  

What is the domain of  $y=3x^2+5$  ?

• all real

•  $x>5$  

•  $x<5$  

•  $y>5$  

What is the range of  $y=-\left(x+2\right)^2+7$  ?

•  $y>7$ 

•  $y<2$  

•  $y>2$  

•  $y<7$  

How does  $y=\left(x+2\right)^2+5$  transform its parent function?

• Right 2, Up 5

• Right 2, Down 5

• Left 2, Up 5

• Left 2, Down 5