Quadratics

Find the vertex for

 $y\ =\ 1\left(x-3\right)^2+3$  

• (3,3)

• (3, -1)

• (1,3)

•  $\left(x-3\right)^2$  

What is the DOMAIN for

 $y=x^2+3x-1$  

•  $\left(-\infty,\infty\right)$  

•  $\infty$  

• (8,  $\infty$ )

• (-8,8)

This quadratic equation is written in _______________________.

 $y=2x^2+3x+1$  

• Vertex Form

• General Form

• Factored Form

This quadratic equation is written in _________________.

 $y=\left(x-3\right)\left(x+2\right)$  

• Vertex Form

• General Form

• Factored Form

What is the y-intercept for

 $y=5x^2+3x+18$  

• (0,5)

• (0,3)

• (0,18)

What is the vertex for

 $y=3\left(x-5\right)^2+1$  

• (3,-5)

• (5,1)

• (5,2)

• (3,1)

If the vertex is (3,9), what is the axis of symmetry?

• x = 3

• x = 9

Determine the concavity for

 $y=2\left(x-1\right)^2+3$  

• Concave up

• Concave down

• Concave sideways ... <- that's not a thing

Find the vertex

 $y=3\left(x-7\right)^2+15$  

• (3,7)

• (7,15)

• (3, 8)

• (15,3)

Determine the concavity for

 $f\left(x\right)\ =\ -1x^2+3x-705$  

• Concave Up

• Concave Down