Find Vertex of a quadratic function

Find the vertex of 
f(x) = -x² - 4x + 12

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8
• x=2
• x=-2
• x=4

Tags

CCSS.HSA.REI.B.4

Find the y-intercept of
f(x) = 2x²-2x + 1

• 2
• -2
• 1
• -1

Tags

CCSS.HSA.REI.B.4

Does
y = -4x²
have a maximum or minimum value?

• maximum
• minimum

Tags

CCSS.HSF-IF.C.7A

A parabola has a vertex at (-3, 2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

Find the vertex  y = x² - 2x - 5

• V(-2, 10)
• V(-1, 15)
• V(1, -6)
• V(1, -12)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

CCSS.HSA.REI.D.10

Determine the x-intercepts of the graph.
    y = x²+10x+16

• (-8, 0) and (-2, 0)
• (-16, 0) and (-64, 0)
• (-4, 0) and (-32, 0)
• (8, 0) and (2, 0)

Tags

CCSS.HSF-IF.C.7A

Identify a, b, and c 
 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

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)
• (-2, -7)
• (2, -7)
• (-7, -2)

Tags

CCSS.HSA.REI.B.4