Graphing Solving Quadratic Equations

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

Tags

CCSS.HSA.APR.B.3

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept?
f(x) = 2(x - 5)² + 12

• (0, -5)

• (0,12)

• (0, 62)

• (0, 212)

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept?
f(x) = -2x² + 4x - 6

• (0, 6)

• (0, -6)

• (6, 0)

• (-6, 0)

Tags

CCSS.HSF-IF.C.7A

If each mark on the x-axis represents one second, when did the object reach its maximum height?

• 2.5 seconds

• 2 seconds

• 5.5 seconds

• 3 seconds

Determine the vertex of:

y = x² + 8x - 10

• (4,38)

• (-8,10)

• (-4,-26)

• (2,10)

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

• y = -15

• y = 82

• y = -14

• y = 178

Tags

CCSS.HSF.IF.A.2

Determine the vertex of:

y = -3x²-6x+9

• (1,0)

• (3,-36)

• (-1,18)

• (-1,12)

Does this parabola open up or down?

• y = -8x² +18x + 20

• up

• down

Tags

CCSS.HSF-IF.C.7A