Graphing Quadratic Equations

What is the vertex?
y = -2x² + 4x + 3

• (0, 3)
• (-1, 5)
• (1, 5)
• (1, -5)

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

• parabola
• vertex
• graph
• point

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Does this parabola open up or down?

• y = -8x² +18x + 20

• up

• down

Given the function y = x² + 2x - 16; what is the value of y when x = -2

• y = -16

• y = -24

• y = 0

• y = 8

Given the equation y = -3x² - 6x + 10, what is the value of y when x = -4

• y = -15

• y = 82

• y = -14

• y = 178

Given: y = 6x² + 19 what is the value of b?

• b = 6

• b= 0

• b = 19

• b = 2

Given y = 6x + 7x² - 20 what is the value of b

• b = 6

• b = 7

• b = 2

• b = -20

What is the graph of this function: y = x² - 4x

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