1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ch4aika [34]
3 years ago
9

This is really confusing. Thanks for helping.

Mathematics
1 answer:
Mandarinka [93]3 years ago
5 0
Count change of signs to tell positive roots
then replace x with -x and evaluate, then count change in sign for negative roots


initially
+, -, -, +, +, -
3 changes
3 or 1 positive roots


replacing x with -x
-,-,+,+,-,-
2 changes
2 or 0 negative roots



B is answer
You might be interested in
Simplify the expression. Write the answer using scientific notation.
Neko [114]
We are given with two distances: 5,880,000,000,000 miles and 15.8 light-years. we convert first the light-years distance through the speed of light : 3 x 108 m/s. v = d/t; d = 3x10 8 m/s * 15.8 light years * 31536000 s = 1.4948 x1017 m = 9.28829 x 1013 miles. The difference thus is 8.70029 x 1013 miles
8 0
3 years ago
Factor each expression<br>(9 &amp; 10)
s344n2d4d5 [400]
9)
8x+4*6
8x+24

11) 
3t+2c=6tc
7 0
3 years ago
G(x)=4x^2<br><br> what would be the table to graph?
Jlenok [28]

Answer:

no you will not use a table

The answer is

g(x) = 4x

g{x} = 4x {  \: }^{2}  = 8x

5 0
3 years ago
8.37 Sale prices at the Ajax Outlet Store are 50% below original prices. On Saturdays, an additional discount of 20% off the sal
givi [52]

Answer:

Given:

  • Sale prices at the Ajax Outlet Store are 50% below the original prices.
  • On Saturdays, an additional discount of 20% off the sale price is given.

To find:

  • The Saturday price of a coat whose original price is $180.

The formula used to calculate the percentage is (value/total value)*100%.

Step-by-step explanation:

Step 1 of 2

The original price of coat = $180



Ajax always sells at 50% discount

So their sale price = $90

Step 2 of 2

On Saturdays they sell 20% less

Which implies-

1/5*90 = 18

90-18=72

They sell at $72 on Saturday.

5 0
2 years ago
Read 2 more answers
I need help please ?!!
melomori [17]

the answer is b because the answer for both of them is -39. you might also want to look into the sign rules in algebra bb :)

3 0
3 years ago
Other questions:
  • What is a repeating decimal give an example​
    11·1 answer
  • First equation x-y=8<br> second equation x+y=6
    11·1 answer
  • The equation sec2x- 1 = tan2x is an identity<br> O<br> O<br> A. True<br> B. False
    12·1 answer
  • Will give brainliest
    7·1 answer
  • Jerry has just purchased his first home for $190,000. He put down a 20 percent down payment of $38,000 and took out a 5 percent
    11·1 answer
  • Please help and explain answer
    7·1 answer
  • Which of the following statements shows a characteristic of a statistical question. A:the question is focused. B:the distributio
    12·2 answers
  • PLEASE ANSWER THIS I DIDN'T GET ANYTHING DUE IN 2 HOURS!!!!!
    6·2 answers
  • (08.01)
    9·1 answer
  • Suppose a triangle has two sides of length 2 and 5 and that the angle
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!