Review for Final Exam

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

A line about which a figure is symmetric is the ____ __ ________

• Solution Set
• Intercept Formula
• Quadratic Function
• Axis of Symmetry

Whats the yintercept and what does it mean?

• (1.4, 31); At 1.4 seconds the football is at a maximum height of 31 ft
• 6; The ball lands at 6 seconds
• 31; The max height of the ball
• 6; 6 feet is the height the ball is thrown from

Tags

CCSS.HSF.LE.B.5

Which quadratic function is represented by the graph?

• y = 2(x - 4)² + 5
• y = 2(x + 4)² + 5
• y = -2(x - 4)² + 5
• y = -2(x + 4)² + 5

Tags

CCSS.HSF-IF.C.7A

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1
• f(x) = (x + 2)² - 1
• f(x) = -(x + 2)² - 1
• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

How do we find the y-intercept of any equation?

• Substitute 0 in for x.
• Substitute 0 in for y.
• Substitute a random number in for x.
• Make an educated guess.

If h(a) = 3 - 2a

Find h(-3).

• 12
• -2
• -3
• 9

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30

If f(x)=6x²-4,
what is f(0)?

• -4
• 4
• 0
• 2

Tags

CCSS.HSF.IF.A.2

If f(x)=6x²-4,
what is f(1)?

• 13
• 0
• 12
• 2

Tags

CCSS.HSF.IF.A.2