Question

Check me answers? Will fan or medal!

Answer 1

HEY

Answer 2

whatcha need my friend

Answer 3

Hi

Answer 4

U NEED HELP

Answer 5

Yes! I posted ^^^

Answer 6

ALL OF THEM ARE CORRECT BUT NOT NUMBER ONE IS D

Answer 7

oh i didnt realize it involved square root...sorry i cant help you i havent learned about that yet :(

Answer 8

Okay thank you, ill post another for you!

Answer 9

CORRECT

Answer 10

Are you sure?

Answer 11

MEDAL

Answer 12

YEP

Answer 13

You're finding them mighty fast...

Answer 14

YEA I DID THIS BEFORE

Answer 15

what grade are you in?

Answer 16

7TH U

Answer 17

Yeah... we're not in the same grade.. not sure how you would be able to answer these....

Answer 18

Oh okay. hang on.

Answer 19

CAUSE IM SMART IN U HAVE TO FAN ME TO WRITE U

Answer 20

no shizz, Try now

Answer 21

DONT listen... he was wrong... Glad I checked over my answers...
Multiple Choice

1. Find the rational roots of x4 + 8x3 + 7x2 – 40x – 60 = 0. (1 point)


(0 pts) 2, 6


(1 pt) –6, –2


(0 pts) –2, 6


(0 pts) –6, 2

1 /1 point


2. A polynomial equation with rational coefficients has the roots 7 +

, 2 –

. Find two additional roots. (1 point)


(1 pt) 7 –

, 2 +


(0 pts) 3 –

, 6 +


(0 pts) 7 +

, 2 –


(0 pts) 3 +

, 6 –

1 /1 point


3. Find all the zeroes of the equation.

2x4 – 5x3 + 53x2 – 125x + 75 = 0 (1 point)


(0 pts) –1, –

, ± 5i


(1 pt) 1,

, ± 5i


(0 pts) 1,

, ± 5


(0 pts) –1, –

, ± 5

1 /1 point


4. Use Pascal’s Triangle to expand the binomial.

(8v + s)5

(1 point)


(0 pts) s5 + 320s4v + 5,120s3v2 + 40,960s2v3 + 16,380sv4 + 26,2144v5


(0 pts) s5 – 5s4v + 10s3v2 – 10s2v3 + 5sv4 – v5


(0 pts) s5 + 40s4 + 640s3 +5,120s2 + 20,480s +32,768


(1 pt) s5 + 40s4v + 640s3v2 + 5,120s2v3 + 20,480sv4 + 32,768v5

1 /1 point


5. Which polynomial has a graph that passes through the given points?

(–3, 10), (–1, 0), (0, –5), (3, 52)

(1 point)


(0 pts) y = x3 – 4x2 + 2x – 5


(1 pt) y = x3 + 4x2 – 2x – 5


(0 pts) y = x3 + 4x2 + 2x – 5


(0 pts) y = x4 + 4x3 – 2x2 – 5x

1 /1 point


6. The table shows the amount of milk that Wisconsin dairy farms produced from 1940 to 1997. Use a linear model to estimate milk production in 1990.


Year Milk Produced (in billions of lbs.)
1940 7
1972 7
1997 8

(1 point)


(0 pts) 15.1


(0 pts) 12.5


(1 pt) 7.5


(0 pts) 2.5

1 /1 point


7. How many real zeroes does y = (x + 8)3 + 9 have? (1 point)


(1 pt) 1


(0 pts) 2


(0 pts) 3


(0 pts) 0

1 /1 point


8. What is a quartic function with only the two real zeroes given?

x = 5 and x = 1

(1 point)


(0 pts) y = –x4 – 6x3 + 6x2 – 6x + 5


(0 pts) y = x4 + 6x3 – 6x2 + 6x – 5


(0 pts) y = x4 – 6x3 + 5x2 – 6x + 6


(1 pt) y = x4 – 6x3 + 6x2 – 6x + 5

1 /1 point