Algebra 2 Quiz unit 3-1

Standard form of a quadratic equation

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

The vertex of this parabola is...

• (-4, -12.5)
• (12.5, 4)
• (-12.5, -4)
• (4, 12.5)

What direction does the parabola open?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

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

• maximum
• minimum

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

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

What is the formula to find the vertex of a parabola?

• x = -b/2
• x = -b
• x = -b / (2a)
• x = -b / 2

What is the axis of symmetry for the following function
f(x) = 2x² - 2x + 3

• x = 1/2
• y = 1/2
• x = 3
• y = 3

What is the range of this function?

• y≤ -2
• y ≥ 2
• y ≤ 2
• y ≥ -2

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

What do we call the highest or lowest point of a quadratic?

• parabola
• vertex
• graph
• point