8-1 Intro to Quadratics!

What is the vertex of this parabola?

• (1, 2)
• (-1, -2)
• (1, -2)
• (-1, 2)

Find the vertex of this parabola

• (0, 0)

• (2, 4)

• (-2, 4)

• (4, -3)

What is the domain of the function?
*Hint: Domain is the set of all x-values included in the function.

• x≥3
• x≤3
• All real numbers
• -1≤x≤5

What is the range of the function?

*Hint: Range is all of the y-values included in the function.

• All real numbers

A positive quadratic will open...

• Up

• Down

• Sideways

A negative quadratic will open...

• Up

• Down

• Sideways

• Narrower

• Wider

• Narrower

• Wider

For what interval is the function increasing? For what interval is the function decreasing?