Quadratics Review

Will the following function open up or down: -2x²-3x+4

• Up
• Down

Is this a max or min?

• max
• min
• cannot be determined

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Which of the following equations matches standard form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

What is the vertex for the parabola represented by the equation
y = 2(x + 3)² - 8?

• (3, 8)
• (3, -8)
• (-3, 8)
• (-3, -8)

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

What is another name for the x-intercepts of a quadratic?

• y-intercept
• Zeros
• x-axis
• They don't have another name

Identify the vertex and whether the graph opens up or down.

• (-1, 4); opens up
• (-1, 4); opens down
• (1, 4); opens up
• (1, 4); opens down