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
Nadusha1986 [10]
3 years ago
5

I just need an explanation on why I was wrong and why the correct answer is correct

Mathematics
1 answer:
Alja [10]3 years ago
5 0

Answer:

B 1

Step-by-step explanation:

Since the divisor is in the form of <em>x - c</em>, use what is called Synthetic Division. Remember, in this formula, -c gives you the OPPOSITE terms of what they really are, so do not forget it. Anyway, here is how it is done:

2| -2 1 5 0 4 1

↓ -4 -6 -2 -4 0

_________________

-2 -3 -1 -2 0 1→ -2x⁴ - 3x³ - x² -2x + [x - 2]⁻¹

You start by placing the <em>c</em> in the top left corner, then list all the coefficients of your dividend [-2x⁵ + x⁴ + 5x³ + 4x + 1]. You bring down the original term closest to <em>c</em> then begin your multiplication. Now depending on what symbol your result is, tells you whether the next step is to <em>subtract</em> or <em>add</em>, then you continue this process starting with multiplication all the way up until you reach the end. Now, when the last term is 0, that means you have no remainder. Finally, your quotient is one degree less than your dividend, so that -2 in your quotient can be a -2x⁴, and the -3 [x³] follows right behind it, then 1 [-x²], -2[x], and finally, [1\x - 2] (remainder is 1, so set it over your denominator, which is the divisor), giving you the other factor of -2x⁴ - 3x³ - x² -2x + [x - 2]⁻¹.

I am joyous to assist you anytime.

**(x - 2)^{-1} =  \frac{1}{x - 2}

You might be interested in
A rectangular room’s length is 2 feet less than its’ width and the area of the room is 120 ft^2
julia-pushkina [17]

Answer:

a. 120/w = l

120/l = w

b. l times w = 120

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Suppose triangle ABC will be dilated using the rule . What will be the distance from the center of dilation, Q, to the image of
Blababa [14]

Answer:

4

Step-by-step explanation:

The rule of dilation is D_{Q,\frac{2}{3}}. This means that each distance QX' is equal to \dfrac{2}{3}QX, where X is initial point and X' is its image after dilation.

Since QA=6, then

QA'=\dfrac{2}{3}\cdot 6=4.

6 0
2 years ago
Read 2 more answers
Which operation is not used in the phrase twice a number decreased by 4, divided by 8
drek231 [11]

Answer:

Step-by-step explanation:

twice a number .....multiplication

decreased by 4.....subtraction

divided by 8.....division

addition is missing <====

although, twice a number could also be addition.....but I have never  used it for addition

lets say ur number is 4.......twice the number 4 could be : 2 * 4 or 4 + 4

4 0
3 years ago
Read 2 more answers
max has 50 songs on his MP4 player. if he picks a song at random, what is the probability that the songs is a rock song?
Schach [20]

Answer:

1/2 of the time, 50% chance

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
a point on the rim of a wheel moves with a velocity of 80 feet per second. What is the angular velocity of the point if the diam
valentina_108 [34]

The angular velocity is 16 radians per second

<u>Solution:</u>

The angular velocity of point is given by formula:

w = \frac{v}{r}

Where,

w is the angular velocity in radians

v is the linear velocity

r is the radius

Given that diameter of wheel is 10 feet

radius=\frac{diameter}{2}

radius = \frac{10}{2}=5

Thus radius is 5 feet

A point on the rim of a wheel moves with a velocity of 80 feet per second

Linear velocity = v = 80 feet per second

Therefore, angular velocity is given as:

w = \frac{80}{5} = 16

Thus angular velocity is 16 radians per second

6 0
2 years ago
Other questions:
  • Water flows at a rate of 9000 cubic inches per minute into a cylindrical tank. the tank has a diameter of 144 inches and a heigh
    15·2 answers
  • 5 types of kitchen accidents and how to prevent them​
    13·2 answers
  • What does 18+4(m-3)+4m equal
    15·2 answers
  • Use f(x) = 1/2x and f -1(x) =2x to solve the problems. f−1(f(x)) = f(f−1(x))
    15·2 answers
  • Which point could be removed in order to make the relation a function? (–9, –8), (–{(8, 4), (0, –2), (4, 8), (0, 8), (1, 2)}
    11·2 answers
  • PLEASE HELP MEEEEEEEEEEEEEEEEEEEEEE
    9·2 answers
  • Please answer it is urgent.
    14·2 answers
  • Helpp. Pleasee need answerr
    14·1 answer
  • Please help, thank you!
    14·1 answer
  • You recently borrowed $500 from a friend. You signed a contract that requires you to pay back one third of the loan every month
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!