Graphing Quadratic: Standard Form

Which quadratic function is graphed?

This parabola is​ (a)   because it opens ​ (b)   .

• positive

• up

• negative

• down

A parabola is upside-down when a is:

• negative

• positive

• 0

• infinite

What is the axis of symmetry?
y = 3x² - 6x + 4

• x=1

• x=-6

• x=2

• x=-1

Which of the following equations matches standard form of a quadratic?

• ax + by = c

• y = a(x - h)² + k

• y = ax² + bx + c

• y = mx + b

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes

• Axis of Symmetry

• Direction

• y-intercept

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

• (0, 6)

• (0, -6)

• (6, 0)

• (-6, 0)

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

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

• x = -4

• x = 4

• y = 4

• y = -4

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

• parabola

• vertex

• graph

• point