Key Features of Quadratics

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Tags

CCSS.HSF-IF.C.7A

Use the graph to determine the X-intercepts

• (-1,0) and (-3,0)

• (1,0) and (3,0)

• (0,1) and (0,3)

• (0,-1) and (0,-3)

Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts?

• (0,0) and (2,0)

• (-4,0) and (0,0)

• (0,0) and (0,4)

• (0,0) and (4,0)

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

Determine the domain and range of the function

• Domain and Range: $\left(-\infty,\propto\right)$

• Domain: $\left(-\infty,\propto\right)$ Range: $\left(2,\propto\right)$

• Domain: $\left(-\infty,\infty\right)$ Range: $\left[-4,\propto\right)$

• Domain: $\left(-1,\ 1.5\right)$ Range: $\left(1,\ -4\right)$

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

What is the vertex (min or max) of y=x²+4x+3?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

Tags

CCSS.HSA.REI.B.4

What's the y-intercept of y = 3x²- 6x + 4

• (4,0)
• (-4,0)
• (0,-4)
• (0,4)

Tags

CCSS.HSF-IF.C.7A

On what interval is the graph decreasing?

• (∞, 3)
• (3, -∞)
• (3, ∞)
• (-∞, 3)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSA.REI.D.10

Where is the function increasing?

• [4, ∞)
• [−4, ∞)
• [6, ∞)
• 4 < x < 6

Tags

CCSS.HSF-IF.C.7A