Structure of Quadratic Function

The axis of symmetry (line of symmetry) of this parabola is...

• y=4

• y=-4

• x=4

• x=-4

Standard form of a quadratic equation

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

What is the domain of the function?

• x≥3

• x≤3

• All real numbers

• -1≤x≤5

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

Identify the x-intercepts:
y= -3(x-5)(x+5)

• (-5,0)(5,0)

• (5,0)(-5,0)

• (5,0)(0,5)

• (0,5)(0,-5)

What is the quadratic parent function?

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Using the graph of the quadratic function, identify the domain.

• y > -6

• -2 < x < 10

• -∞ < x < ∞

• y < -6

Using the graph of the quadratic function, identify the range.

• y < -6

• -2 < x < 10

• -∞ < x < ∞

• -6 ≤ y < ∞

Which of the following equations is written in the standard form for quadratic equations?

• 8x + 4y = 12

• y = 4x² - 7x + 11

• 3x² + 2x = 1

• 2x² - x³ + 14 = y

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both