Key Features of Quadratic Graphs

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 the equation of the axis of symmetry?

• y = 0

• x = 0

• x = 3

• x = -3

Tags

CCSS.HSF-IF.C.7A

Quadratic equations take the shape of a _______ when graphed.

• parabola

• straight line

• snaked line

• elliptical

Tags

CCSS.HSF-IF.C.7A

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSA.REI.B.4

What is the axis of symmetry of y=2x²-4x+9?

• x = 1
• x = -1
• x = -2
• x = 4

Tags

CCSS.HSA.REI.B.4

Use the picture to find  the vertex and axis of symmetry

•  Vertex (3,8) Axis x=3
• Vertex (3,8) Axis y=3
• Vertex (8,3) Axis x=3
• Vertex (8,3) Axis y=3

Tags

CCSS.HSF.IF.B.4

CCSS.HSA.REI.D.10

CCSS.HSA.CED.A.2

Standard Form of a quadratic equation is y =

• (x + a)(a + b)
• ax² + bx + c
• (x - h)² + k
• mx + b

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

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