Quadratic Function Standard Form and Vertex Form

Given: y = 1/2(x + 4)² - 5,

Find the axis of symmetry.

• y = 4

• x = -4

• x = 4

• x = -5

What is the axis of symmetry in the function \(y = \frac{1}{2}\left(x - 3\right)^2 + 5\)? Leave NO spaces in your answer.

If given the equation y = 3(x - 2)² - 4, what is the y-intercept?

• (8, 0)

• (0, 8)

• (0, -4)

• (0, 16)

Tags

CCSS.HSF-IF.C.7A

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1

• f(x) = (x + 2)² - 1

• f(x) = -(x + 2)² - 1

• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• symmetrical point for the vertex

• open up

• open down

Tags

CCSS.HSF-IF.C.7A

What is the vertex of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

Which of the following is a quadratic function?

• 
• 
• 
• 

What is the name of this form of a quadratic equation: y = ax² + bx + c

• vertex form

• standard form

• factored form

• zero form