Quadratics Review

What is the vertex form of a quadratic function?

• y = ax^2 + bx + c

• y = a(x-h)^2 + k

• y = a(x+h)^2 + k

• y = a(x-h)^2 - k

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

• y = -(x + 1)² - 4
• y = -(x + 1)² + 4
• y = -(x - 1)² - 4
• y = (x + 1)² + 4

Tags

CCSS.HSF-IF.C.7A

What is the equation of the axis of symmetry?

• y = 0

• x = 0

• x = 3

• x = -3

Which of the statements about the graph is FALSE?

• The vertex is a maximum

• There are two zeros at x = -3 and x = 3

• The y-intercept is (0, 18)

• The range is y ≥ 18

Tags

CCSS.HSF-IF.C.7A

What is the significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Tags

CCSS.HSF-IF.C.7A

What is the significance of the ordered pair (2, -4) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Tags

CCSS.HSF-IF.C.7A

What is true for: y = ½(x - 4)² - 4

• Opens up with a minimum

• Opens down with a maximum

• Opens left

• Opens right

Tags

CCSS.HSF-IF.C.7A

Determine the domain and range of the function

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -4, Range: All real numbers

• Domain: All real numbers, Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5, Range: y ≥ -4

What do you call the graph of a quadratic function?

• circle

• line

• parabola

• hyperbola

Tags

CCSS.HSF-IF.C.7A