Alg I Semester Test

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

• x=-8
• x=1
• x=-1
• x=2

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

• Up
• Down
• Left
• Right

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

• maximum
• minimum

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

• y = -2
• x = 3
• x = -3
• y = 2

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum
• opens up with a minimum
• opens down with a maximum
• opens down with a minimum 

What is the equation for the axis of symmetry of 
f(x)= (x +1)² + 5?

• x = 1
• x = -1
• x = -5
• x = 5

Is this a max or min?

• max
• min
• cannot be determined

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

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

What is the axis of symmetry for the following equation? (hint: x = -b/2a)
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=4

What is the vertex of this quadratic equation?  
y = 2(x - 2)²  +  5

• (-2,5)
• (2,5)
• (5,-2)
• (-5,-2)