Graphing Quadratics in Standard & Intercept Form

What do we call the highest or lowest point of a quadratic?

• parabola
• vertex
• graph
• point

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

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

What is the y-intercept?
f(x) = -2x² + 4x - 6

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

.How many zeros(solutions) does this parabola have?

• 3

• 2

• 0

• 1

If a is negative in the function, which way does the parabola open?

• up

• down

• left

• right

• -2, 1, -5

• 1, -5

• 0, -1, 5

• -1, 5

• (-8.5, -12.25)

• (-8.5, -36.75)

• (0, 180)

• (8.5, 276.75)

• (-8.5, 3)

• (0,3)

• (0,60)

• (0, 180)

• (0,20)

• (-8.5, 3)

• -19, 1

• 19, -1

• -8, 3

• 8, 3