Intro to quadratics

Does the graph have a minimum or a maximum?

• minimum
• maximum

Does the graph have a minimum or maximum?

• minimum
• maximum

Which of the following is the vertex of the graph?

• (2, 0)
• (-2, 0)
• (0, 4)
• (-1, 3)

What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

What is another name for the x-intercepts of a quadratic?

• y-intercept
• Zeros
• x-axis
• They don't have another name

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2
• -2
• 1
• -1

Find the zero of the following function.

 $f\left(x\right)\ =\ x^2\ -9x\ +\ 20$  

• 4, 5

• -4, 5

• 4, -5

• -4, -5

Find the zero of the following function.

 $f\left(x\right)\ =\ x^2\ -\ 2x\ -80$  

• 8, 10

• 8, -10

• -8, 10

• -8, -10