Quadratic Functions Quiz

What is the axis of symmetry of a quadratic function?

• The line that divides a parabola in half

• The x-value of the vertex

• The place where the graph of the function crosses the x-axis

• The minimum or maximum point of a quadratic function

What does the vertex of a parabola represent?

• The place where the graph of the function crosses the x-axis

• The minimum or maximum point of a quadratic function

• The x-value of the vertex

• The line that divides a parabola in half

What is the discriminant of a quadratic function used for?

• To simplify negative square roots

• To find the vertex

• To determine the number of x-intercepts

• To find the axis of symmetry

Tags

CCSS.HSA-REI.B.4B

What does the vertex form of a quadratic function look like?

• y = a(x + h)² - k

• y = ax² + bx + c

• y = a(x − h)² + k

• y = a(x + h)² + k

What is the standard form of a quadratic function?

• y = a(x + h)² + k

• y = a(x − h)² + k

• y = a(x + h)² - k

• y = ax² + bx + c

What is the formula for finding the roots of a quadratic equation?

• Take square root and solve

• Quadratic formula

• Completing the square

• Factor and solve

Tags

CCSS.HSA-REI.B.4B

What is the vertex of the quadratic equation x² - 6x + 9 = 0?

• (3, 0)

• (0, 3)

• (6, 0)

• (9, 0)

What is the vertex of the quadratic equation 2x² + 5x + 3 = 0?

• (-1, 0)

• (1, 0)

• (0, -1)

• (0, 1)

What is the vertex of the following parabola?

What is the equation for the axis of symmetry for the following parabola?