Standard Form of a Quadratic

What is the axis of symmetry (or the x-value of the vertex) for the following equation?

y = 4x² - 8x + 9

• x = -8

• x = 1

• x = -1

• x = 2

Tags

CCSS.HSA.REI.B.4

What is the vertex of this parabola?

f(x) = -x² - 4x + 12

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the axis of symmetry?
y = 3x² - 6x + 4

• x=1
• x=-6
• x=2
• x=-1

Tags

CCSS.HSA.REI.B.4

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)

Tags

CCSS.HSA.SSE.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.C.8

Which is the standard form of a quadratic function?

• ax² + bx + c

• a(x - h)² + k

• y - y₁ = m(x - x₁)

• Ax + By = C

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Identify "A", "B", and "C" if y = 3x² -8 + 5x

• A=3, B=5, C=-8

• A=3, B=-8, C=5

• A=3x², B=5x, C=-8

• A=3x² , B=-8, C=5x

Tags

CCSS.HSA.SSE.A.1

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

Which is the graph of the quadratic?

 $y\ =\ x^2-4x-5$  

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7A

What is the formula to find the axis of symmetry of a parabola?

• $x=\frac{-b}{a}$

• $x=-b$
  

• $x=\frac{-b}{2a}$

• $x=\frac{-b}{2}$
  

Tags

CCSS.HSA.CED.A.1

What is the "b" value in the quadratic?

 $y=-x^2+8$  

• -1

• 1

• 0

• 8

• -8

Tags

CCSS.HSA.SSE.A.1

CCSS.HSA.APR.A.1