Polynomials
Functions
Functions Continued
Quadratic Functions
Bonus
100

-2x2(x-y3)-4y2(x-3y2)

-2x3+2x2y3-4xy2+12y4

100

Would a vertical line be a function or not a function?

Not a function

100

Which of the following functions has a vertex in Quadrant II?

A. f(x) = (x−3)(x−7) '

B. f(x)= −(x−3)2 + 7 

C. f(x)= −(x+ 3)2 + 7 

D. f(x)= (x−3)2 + 7


C

100

At which point does the function 

f(x) = -.5x- 2x + 5 have a maximum?

(-2,7)

100

What is one of the zeros of the polynomial expression whose factored form is (3x − 3)(x − 6)?


1 or 6

200

What is an expression that is equivalent to 

(x+3)(3x2-x-5)?

3x3+8x2-8x-15

200

How can you tell when a set is not a function?

The x-value repeats.

200

What quadrant is the following function in:

f(x) = (x-3)2 + 7

Q1

200

What is the maximum value of the function 

y = -3x2 + 18x - 21? 

6

(3,6)

200

A toy rocket is launched upward from a platform. The height, in feet, of the rocket is defined by 

g(x) = -16x2 + 64x + 80 where x represents the time in seconds after the rocket is launched.

What is the rockets maximum height?


144 ft

300

What is the simplest form of the expression 

6u2-7u(t+4u)?

-22u2-7tu

300

If v(t) = t2 - 4t + 3, what is v(3)? 

0

300

Which of the following functions has a positive y-intercept?

A) f(x) = -(x - 3)+ 7

B)f(x) = -(x + 5) + 1

C) f(x) = (x + 7)(x - 7)

A

300

What is the minimum point in the function 

f(x) = -x2 + 10x - 21?


Does not have one

300

For which two functions is 2 a zero?

A) f(x) = x2 + 4

B) f(x) = x2 − 4x − 12

C) f(x) = x2 + 4x + 4 

D) f(x) = x2 + x − 6 

E) f(x) = x2 − 3x + 2


D and E

400

What are the x-intercepts of the graph

f(x)=6x+ 12x

(-2,0) (0,0)

400

Determine if the following are true, given the function f(x)=2x-x3

f(-1)=-3

f(1)=1

f(-4)=56

f(-2) < f(2)

f(0) > f(4)


false, true, true, false, true

400

What is the domain of the function f(x) = x2 - 9?

All real numbers

400

Which two of the following numbers are zeroes of the quadratic functions y = x2 - 3x - 54?

-9

-6

0

6

9

-6 and 9

400

Which polynomial represents the product of 5x - 1 and x2 + 3x - 4?

A. 5x3 +3x-4 

B. 5x3+15x2 -4

C. 5x3 +14x2-23x+4 

D. 5x3 +16x2+17x+4


D

500

What are the zeros of each polynomial below:

x2-x-2

x2+3x-4

x2+8x+16

3x2-12

-1 & -2

-4 & 1

-4

-2 & 2

500

22,31,40,49,58...

What is f(n+1) in terms of f(n), where n represents the number of terms in the pattern?

f(n-9)

f(n+9)

f(n) -9

f(n) +9

f(n) +9

500

Given the function 8x − 6y = 24, which two statements about this function are true?

A) The x-intercept of the function is (0, 3). 

B) The x-intercept of the function is (3, 0). 

C) The y-intercept of the function is (0, -4). 

D) The y-intercept of the function is (0, 4). 

E) The y-intercept of the function is (-4, 0).


B & C

500

A football is punted, and its height in feet, y, after x seconds is recorded. The graph created from these data is a parabola with y-intercept (0, 3), x-intercept (4.06, 0), and vertex (2, 51).

Which statement is true of the football during this punt?

A. The football was in the air for a total of 51 seconds.

B. The football reached a maximum height of 51 feet.

C. The football reached its maximum height after 51 seconds. 

D. The football was punted from an initial height of 51 feet.


B

500

Which expression is equivalent to 6xy − 4y2?

A. −4y2 + 4y(x+ y)+ 2xy 

B. −4y(x+ y)+ 6xy 

C. −2xy+ 4y(2x+ y) 

D. 8y2 −4y(x+ 3y)+ 10xy


D

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