Introduction to Quadratic Functions

What is the range of the graph?

• All real numbers

• To Infinity and beyond

• y ≥ 0

• x ≥ 0

Tags

CCSS.HSF-IF.C.7A

What is the Domain?

• -10 ≤ y ≤ 6

• y ≤ 6

• -10 ≤ x ≤ 6

• All Real Numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

What is the y-intercept of this graph?

• -6

• -2

• 3

• 5

Tags

CCSS.HSF-IF.C.7A

What is the y intercept of this graph?

• 3

• 2

• 1

• 0

Tags

CCSS.HSF-IF.C.7A

The graph of a Quadratic function is shown. Select ALL the statements that are true about the graph.

• The Zeros/Solutions are 1 & -3

• It has a minimum height of 4

• The Vertex is (-1, 4)

• In the Equations ax² + bx + c the value of "a" is negative because it opens down.

• In the equations ax² + bx + c, th value of "c" is 4

Tags

CCSS.HSF-IF.C.7A

Which of the following equations matches standard form of a quadratic?

• ax + by = c

• y = a(x - h)² + k

• y = ax² + bx + c

• y = mx + b

The graph of quadratic function k is shown on the grid.

Which statements are best supported by the graph of k?

Choose ALL that apply.

• The x-intercept is located at (-3, 0)

• The coordinates of the y-intercept are (0, 9)

• The axis of symmetry is x = -3

• The minimum is at -3

Tags

CCSS.HSF-IF.C.7A

Label the Graph with the Correct Key Features.

• Y-Intercept

• Zero

• Vertex

What is the equation for the line of symmetry of the function f(x)=x²-4x+3? (Use your calculator)

• x = 3

• x = 2

• x = 0

• x = 1

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A