Standard Form Parabola

Which of the following is the PARENT FUNCTION for all quadratic functions.

• the direction and size of the parabola

• the y-intercept of the parabola

• how many bumps the parabola has

• the x-value of the vertex

• the y-intercept of the parabola

• the x-intercept of the parabola

• the x-value of the vertex

• the y-value of the vertex

Tags

CCSS.HSF-IF.C.7A

What is the equation for the AXIS OF SYMMETRY from the standard form of a quadratic? (also the x-value of the vertex)

Use the graph to determine the x-intercepts.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

Tags

CCSS.HSF-IF.C.7A

The parabola y = - 2x² - 4x + 1 will have an axis of symmetry of

• x = - 1

• x = 1

• x = 4

• x = - 4

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

Tags

CCSS.HSF-IF.C.7A

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Tags

CCSS.HSF-IF.C.7A

Does the following quadratic equation have a maximum or minimum value? How can you tell?
y=x²+2x-3

• Minimum value, because the a value is positive

• Maximum value, because the b value is positive

• Maximum value, because the a value is positive

• Minimum value, because the c value is negative

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4

• x = 4

• y = 4

• y = -4