Quadratic Standard Vertex

Convert the equation from vertex form to standard form

• y=-(x-5)² + 21

• y=-(x+5)² + 21

• y=-(x+10)² + 21

• y=-(x-10)² + 21

What is the vertex?
f(x) = -x² - 4x + 12.

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

Does the graph of -2(x + 5)² + 2 have a minimum or a maximum?

• Minimum

• Maximum

• It has neither.

• It has both.

What is the range of this quadratic?

• y ≥ 3

• y ≤ 3

• ℝ

• y ≤ 2

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• symmetrical point for the vertex

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4

• x = 4

• y = 4

• y = -4

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

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

Find the vertex of f(x)= -2x²-16x+3.

• (4, -93)

• (-4, 35)

• (-4,99)

• (8,3)