Quadratic Equations

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A

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

• y = -2
• x = 3
• x = -3
• y = 2

Tags

CCSS.HSF.IF.C.7

Which of the following is NOT a quadratic function

• f(x) = -3x²

• f(x) = -5x - x²

• y = 3x³ - 4x + 5

• x=4

Does the equation open or or down? 
Y = -3x² +7x - 2

• up
• down

Tags

CCSS.HSF-IF.C.7A