Standard Form of Quadratic Functions

What piece of information does c identify in the following equation?

• zeros

• axis of symmetry

• direction

• y-intercept

Tags

CCSS.HSF-IF.C.7A

Which equation best represents the following graph?

• y = -x² -3x - 4

• y = -x² + 3x + 4

• y = x² + 3x - 4

• y = x² - 3x - 4

Tags

CCSS.HSF-IF.C.7A

Which equation best represents the following graph?

• y = x² + 10x

• y = x² + 2x -5

• y = x² + 7x + 3

• y = x² + 10x + 21

Tags

CCSS.HSF-IF.C.7A

The standard form of a quadratic equation is

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

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

Y = ax² + bx + c is called the ______________ form of a quadratic equation.

• Vertex

• Intercept

• Standard

• Usual

Standard form of a quadratic equation

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Which equation best represents the following graph?

• y = -x² + 2x

• y = -x² + 2x + 3

• y = x² + 2x + 3

• y = -x² + 2x + 4

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which letter determines if the parabola is facing up or down?

• a

• b

• c

• Can not be determined

Tags

CCSS.HSF-IF.C.7A

What is the green dot on the parabola called?

• vertex

• y-intercept

• x-intercept

• axis of symmetry

Tags

CCSS.HSF-IF.C.7A