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Umnica [9.8K]
3 years ago
8

HELP PLEASE!!!!Which of the following is a polynomial with roots:

Mathematics
1 answer:
sergey [27]3 years ago
3 0

Answer:

P(x) =  x^{3}  - 2x^{2} -3x + 6 is the desired polynomial.

Step-by-step explanation:

The roots of the  polynomial is \sqrt{3}, -\sqrt{3}  and 2.

Hence, the zeroes of the polynomial with respective roots is:

(x - \sqrt{3}), (x + \sqrt{3} ) and (x -2)

Now, if we multiply all the zeroes, we get the desired polynomial.

P(x) = (x - \sqrt{3})(x + \sqrt{3} )(x -2)

or, P(x) =  (x^{2}  - 3)(x-2) = x^{3}  - 2x^{2} -3x + 6

or, P(x) =  x^{3}  - 2x^{2} -3x + 6

Hence, option D is the correct option.

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Raheem bought 3 pounds of bananas about how many kilograms did he buy??
ehidna [41]
1 pound ≈  0.4536 kg.

3 pounds ≈  3 * 0.4536 ≈ 1.3608 kg

Hence 3 pounds ≈ 1.3608 kg.
6 0
3 years ago
Certain items are purchased jointly. If each person pays 8coins, the surplus is 3coins, and if each person gives 7coins, the def
kicyunya [14]

Answer:

  • 7 people
  • 53 coins

Step-by-step explanation:

The problem statement tells us ...

  8x = y +3

  7x = y -4

Subtracting the second equation from the first gives ...

  x = 7

Then ...

  y = 7x +4 = 7·7 +4 = 53

There are 7 people, and 53 coins are required for purchase.

4 0
3 years ago
Read 2 more answers
Daniel wrote the following two-column proof for the given information.
Pavel [41]

The information given about the proof does that Daniel made an error on line 2.

<h3>How to illustrate the information?</h3>

Given:

1. AB = 3x +2;  BC = 4x + 8;  AC = 38

2. AB + BC = AC      incorrect (not an angle angle addition postulate)

3. 3x+2 + 4x + 8 = 38         correct

4. 7x + 10 = 38                    correct

5. 7x = 28                           correct

6. x = 4

Daniel made an error on line 2.

Here is the complete question:

Daniel wrote the following two-column proof for the given information. Given: AB = 3x + 2; BC = 4x + 8; AC = 38 Prove: x = 4 Statements Reason 1. AB = 3x + 2; BC = 4x + 8; AC = 38 1. Given 2. AB + BC = AC 2. Angle Addition Postulate 3. 3x + 2 + 4x + 8 = 38 3. Substitution Property of Equality 4. 7x + 10 = 38 4. Combining Like Terms 5. 7x = 28 5. Subtraction Property of Equality 6. x = 4 6. Division Property of Equality On which line, did Daniel make his error? line 2 line 3 line 4 line 5

Learn more about proof on:

brainly.com/question/4134755

#SPJ1

8 0
2 years ago
If the measure of DEF is 65 what is the measure of DE. PLEASE HELP FAST
Wittaler [7]

EF is tangent to the circle we'll assume; otherwise there's no progress.


Call the center C. ECD is isosceles, formed from two radii and the chord.


Angle CED is complementary to DEF


CED = 90 - 65 = 25 degrees


CDE is congruent, isosceles triangle and all that: CDE=25


That leaves DCE=180-25-25=130 degrees


That's the measure of arc DE as well:


Answer: 130 degrees, choice A




8 0
3 years ago
Read 2 more answers
Write 6.2 as a fraction and in word form.
nevsk [136]

6.2:

fraction: .2 = 0.20 = 20/100

fraction: 6 20/100

Word form: six point two

two and five hundredths

fraction: 2 5/100

decimal form 2.05

hope this helps

3 0
3 years ago
Read 2 more answers
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