Quadratic Factors and Roots

Does this graph shown have maximum or minimum value?

• maximum at 0
• minimum at 0
• maximum at 6
• minimum at 6

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

• x=-8
• x=1
• x=-1
• x=2

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.B.4

CCSS.HSF.IF.C.7

Does
y = -4x² + 8x
have a maximum or minimum value?

• maximum at 1
• minimum at 1
• maximum at 4
• minimum at 4

What is the factored form of
y = -4x² + 8x ?

• f(x)= -4x(x+2)
• f(x)= -4x(x-2)
• f(x)= (x+4)(x+2)
• f(x)= (x-4)(x+2)

What are the solutions of
y = -4x² + 8x + 12?

• (x+1) (x-3)
• (x-1) (x+3)
• (-1,0) (3,0)
• (1,0) (-3,0)

What is the vertex of the quadratic function: y=1/2(x-3)²+8?

• (3,8)
• (-3,-8)
• (-3,8)
• (3,-8)

If the graph of a quadratic does not intercept the x-axis at any point, then it has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (-8, -7)
• (0, -7)

How many solutions does this graph have? 

• infinite
• 2
• none
• 1