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Ainat [17]
2 years ago
10

Which of the following is a polynomial with roots 4, 6, and −7?

Mathematics
2 answers:
aleksklad [387]2 years ago
8 0
Try plugging in 4,6, and -7 into the x's 
otez555 [7]2 years ago
3 0

Answer:

option B

Step-by-step explanation:

If any polynomial has roots 4, 6, and (-7) then x - 4, x- 6, and x+7 will be the 0 roots of the polynomial.

Then the polynomial can be written in the form of f(x) = (x-4) (x-6) (x+7)

Now we further solve it to get the simpler form of the polynomial.

f(x) = (x-6) [x² + 7x - 4x - 28]

    = (x-6) [x² + 3x - 28 ]

    = x³ + 3x² - 28x - 6x² - 18x + 168

    = x³ - 3x² - 46x + 168

This polynomial matches with option B

So option B will be the option.

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Makovka662 [10]

Answer:

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8 0
3 years ago
Find the value of BC B 4x - 10 C A D 3x + 5
Rainbow [258]

Answer:

BC = 50

Step-by-step explanation:

BC = AD in a parallelogram

4x-10 = 3x+5

Subtract 3x from each side

4x-3x-10 = 3x-3x+5

x-10 = 5

Add 10 to each side

x-10+10 = 5+10

x = 15

BC = 4x-10 = 4*15-10 = 60-10 = 50

6 0
2 years ago
Read 2 more answers
Which pair of ratios form a proportion?
leva [86]

Answer:

D: 5 : 8 and 20 : 32

Step-by-step explanation:

A is incorrect because 3 x 1.33 = 4 and 4 x 1.25 = 5.

B is incorrect because 10 x 1.6 = 16 and 12 x 1.5 = 18.

C is incorrect because 7 x 1.428 = 10 and 10 x 1.4 = 14.

D is correct because 5 x 4 = 20 and 8 x 4 = 32.

another way of solving the ratio answers is by putting them in a fraction 5/8 = .625 and also does 20/32 = .625.....

Easy right!?

Hope I Helped!

Please Mark me Brainliest!!!

4 0
3 years ago
Read 2 more answers
Two is eight less than twice a number. What is the number?
Mekhanik [1.2K]

Answer:

x = 5

Step-by-step explanation:

First, break it down:

Two is eight less than twice a number

2 = 2x - 8

+8       + 8

10 = 2x

5 = x

Hope this helps :)

3 0
3 years ago
Carmen's city took a telephone poll about a plan to build a new hotel downtown. 6,000 people took the poll. 25% of them were in
Nimfa-mama [501]
People were in favor of the new hotel=25% of 6000 people.
25% of 6000 people=(25/100)*6000=(25*6000)/100=1500  pople.

1500 people were in favor of the new hotel. 
4 0
3 years ago
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