2.2: Characteristics of a Quadratic

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A

What is the vertex?

• (4,-4)
• (2,0)
• (0,2)
• (6,0)

Tags

CCSS.HSF-IF.C.7A

Find the axis of symmetry for
 $f\left(x\right)=x^2-8x+15$  

Recall: Axis of symmetry is at

 $x=-\frac{b}{2a}$  

• x = -4

• x = 4

• y = 4

• y = -4

Find the vertex of f(x)= -2x²-16x+3.

• (4, -93)
• (-4, 35)
• (-4,99)
• (8,3)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSA.REI.B.4

The point (4, -3) is a...

• Maximum
• Minimum

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

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

• (4,0)
• (-4,0)
• (0,-4)
• (0,4)

Tags

CCSS.HSF-IF.C.7A

What is the significance of the ordered pair (0, -1.5) to the graph?

• It is the maximum point

• It is the vertex

• It is the y-intercept

• It is an x-intercept

Tags

CCSS.HSF-IF.C.7A

What is the increasing interval on the function shown?

• $\left(-\infty,\ 1\right)$

• $\left(-\infty,\ 2\right)$

• $\left(2,\ \infty\right)$

• $\left(1,\ \infty\right)$

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the decreasing interval on the function shown?

• $\left(-\infty,\ 1\right)$

• $\left(-\infty,\ 2\right)$

• $\left(2,\ \infty\right)$

• $\left(1,\ \infty\right)$

Tags

CCSS.HSF-IF.C.7A