Quadratics Unit Test

The quadratic parent function is...

• y = x²

• y = ax² + bx + c

• y = mx + b

• y = x

What is the axis of symmetry?

• x=2

• y=2

• x=-2

• y=-2

Which is the graph of the quadratic equation shown? Use the table to find your answer. Fill in the table using the drawing tool and circle the correct graph.

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry and vertex. f(x) = x² - 8x + 15.

• Axis of symmetry: x = -4

  vertex: (-4,-5)

• Axis of symmetry: x = 4

  vertex: (4,-5)

• Axis of symmetry: y = 4

  vertex: (-5,4)

• Axis of symmetry: y = -4

  vertex: (-5,-4)

What are the coordinates of the vertex?

• (2, 3)

• (2, 5)

• (2, 3)

• (2, -3)

• (2, -3)

Find the product:
(y - 3)(y + 7)

• y² - 21

• y² + 10x - 21

• y² + 4y - 21

• 2y - 10

Tags

CCSS.HSA.APR.A.1

Find the product:
(3x + 2)(2x + 4)

• 6x² + 16x + 8

• 5x² +11x + 6

• 5x² + 16x + 6

• 6x² + 11x + 8

Tags

CCSS.HSA.APR.A.1

Define X-intercept

• The highest or lowest point on the graph

• Where the parabola touches or intersects the x-axis

• Where the parabola touches or intersects the y-axis

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

Tags

CCSS.HSF-IF.C.7A

Define Y-intercept

• Where the parabola touches or intersects the x-axis, also called the x-intercept

• The lowest y-value on the graph

• The highest y-value on the graph

• Where the parabola touches or intersects the y-axis

Tags

CCSS.HSF-IF.C.7A

Define Vertex

• Where the parabola touches or intersects the x-axis

• The highest or lowest point on the graph

• Where parabola line touches or intersects the x- axis, also called the x-intercept

• A line that divides the graph into two equal parts. i.e. cuts the graph in half