Matching Quadratic Graphs Standard Form

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

• up

• down

• left

• right

Identify a, b, and c if y = +3x² +5x - 8

• a=3, b=5, c= - 8

• A=3, B=-8, C=5

• A=3x², B=5x, C=-8

• A=3x² , B=-8, C=5x

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

What do we call the graph of a quadratic?

• line

• vertex

• equation

• parabola

Which equation is the standard form of a quadratic function?

• f(x) = mx + b

• f(x) = a(x - m)(x - n)

• f(x) = ax² + bx + c

• f(x) = a(x - h)² + k

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

Where is the axis of symmetry for this parabola?

• x = −1

• x = 0

• y = 3

• x = −3

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

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

• minimum

• maximum

Find the Vertex: y= -5x² -20x - 26

• (-2, -6)

• (2, 6)

• (6,2)

• (3, 6)