Quadratic Functions Test Review Unit 4

What is the general form of a quadratic equation?

• ax² + bx + c = 1

• ax² + bx = c

• ax² + bx + c = 0

• a(x-h)² + k = 0

How many solutions can a quadratic equation have? Select all that apply

• 1

• 0

• 3

• 2

What is the vertex form of a quadratic function?

• y = a(x+h)² + k

• y = a(x-h)² - k

• y = a(x+h)² - k

• y = a(x-h)² + k

What is the vertex form of the quadratic function: y = -3x² + 6x - 9?

• y = -3(x - 1)² - 6

• y = -3(x + 1)² - 6

• y = -3(x - 2)² - 9

• y = -3(x + 2)² - 9

Determine the zeros of the quadratic equation: x² - 5x + 6 = 0

• x = 2, 3

• x = -2, -3

• x = 4, 5

• x = 1, 6

Describe the graph the quadratic function: y = x² - 4x + 3

• The graph of the quadratic function y = x² - 4x + 3 is a parabola that opens upwards and has a vertex at (0,3).

• The graph of the quadratic function y = x² - 4x + 3 is a parabola that opens upwards and has a vertex at (-4, 3).

• The graph of the quadratic function y = x² - 4x + 3 is a parabola that opens downwards and has a vertex at (-1, 2).

• The graph of the quadratic function y = x² - 4x + 3 is a parabola that opens upwards and has a vertex at (2, -1).

Find the axis of symmetry for the quadratic function: y = -x² + 2x + 1

• x = -1

• x = 1

• x = 0

• x = 2

What are the roots of a quadratic equation?

• The roots of a quadratic equation are the values of x that satisfy the equation and make it equal to zero.

• The roots of a quadratic equation are the values of x that satisfy the equation and make it equal to a negative number.

• The roots of a quadratic equation are the values of y that satisfy the equation and make it equal to zero.

• The roots of a quadratic equation are the values of x that satisfy the equation and make it equal to one.

Find the vertex form of the quadratic function: y = -2x² + 4x - 3

• y= -2 ( x - 1 )² - 1

• y= -2 ( x + 1 )² - 1

• y= -2 ( x + 4 )² - 3

• y= -2 ( x - 4 )² - 3

Find the maximum or minimum value of the quadratic function: y = x² - 6x + 8

• Minimum value: 2

• Maximum value: 2

• Minimum value: 4

• Maximum value: 4