nti 7 quadratic functions

What is the vertex form for a vertex of (-3,-5) and when a=-2?

• y = -2(x-3)²+5
• y = -2(x+3)²+5
• y = -2(x+3)²-5

What is the axis of symmetry of the given function?

• y = 1
• y = -1
• x = 1
• x = -1

Identify the vertex and whether the graph opens up or down.

• (-1, 4); opens up
• (-1, 4); opens down
• (1, 4); opens up
• (1, 4); opens down

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

Write the equation of the quadratic in vertex form given the following:
vertex: (4, -2)
point: (0,-6)
opens down

• f(x)=(x-4)²-2
• f(x)=-4(x-4)²-2
• f(x)=1/4(x+4)²-2
• f(x)=-1/4(x-4)²-2

Given f(x) = (x-3)² + 5.  What transformations took place from the original function f(x)?

• Left 3 and up 5
• Right 3 and down 5
• Left 3 and down 5
• Right 3 and up 5

Given f(x) = (x+2)² - 5. What transformations took place from the original function f(x)?

• Left 2 and up 5

• Right 2 and down 5

• Left 2 and down 5

• Right 2 and up 5

Find the vertex of

 $y=3\left(x-2\right)^2+3$  

•  $\left(2,3\right)$  

•  $\left(-2,3\right)$  

•  $\left(2,-3\right)$  

•  $\left(-2,-3\right)$  

Find the vertex form of

 $f\left(x\right)=x^2-12x-3$  

•  $f\left(x\right)=\left(x-6\right)^2-39$  

•  $f\left(x\right)=\left(x-6\right)^2+39$  

•  $f\left(x\right)=\left(x+6\right)^2+39$  

•  $f\left(x\right)=\left(x+6\right)^2-39$