Changing Quadratic Forms

Convert the equation y= 8x²-16x+27 into vertex form.

• y=8(x+1)²+19

• y= -8(x-1)²+19

• y=8(x-1)²+19

• y=(x-1)²+8

Convert to vertex form.

• y=3(x+1)² - 8

• y=3(x-1) ² - 8

• y=3(x+2)² - 8

• y=3(x-2)² - 8

Convert the equation y= 5x²-40x+67 into vertex form.

• y= -5(x+4)²+13

• y= 5(x+4)²-13

• y=5(x-4)²-13

• y= 5(x-13)²+4

Convert
 f(x) = -4(x - 1)² +7
to standard form.

• f(x) = -4x² + 3

• f(x) = -4x² - 8x + 17

• f(x) = -4x² +8x - 11

• f(x) = -4x² +8x + 3

Find the vertex of 
f(x) = -x² - 4x + 12

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8

• x=1

• x=-1

• x=2

Which form is the equation
y = 2x²-8x+7 in?

• Standard

• Vertex

• Factored

• None of These

Which form is the equation
y = -3(x-5)²+7 in?

• Standard

• Vertex

• Factored

• None of These

What is the vertex of the quadratic function: y=1/2(x-3)²+8?

• (3,8)

• (-3,-8)

• (-3,8)

• (3,-8)

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

• y = -2

• x = 3

• x = -3

• y = 2