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alekssr [168]
3 years ago
11

Can anyone solve this asap? i’m completing a final.

Mathematics
1 answer:
Allisa [31]3 years ago
7 0

Answer:

Step-by-step explanation:

The right option es a)

because the general form is:

ax^2+bx+c

so you can easyly identify b=-5

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Is the binomial a factor of the polynomial function?
olchik [2.2K]

Answer:

YES

NO

NO

Step-by-step explanation:

The given polynomial is: $ f(x) =  x^3 + 4x^2 - 25x - 100 $

(x - a) is a factor of a polynomial iff x = a is a solution to the polynomial.

To check if (x - 5) is a factor of the polynomial f(x), we substitute x = 5 and check if it satisfies the equation.

∴ f(5) = 5³ + 4(5)² - 25(5) - 100

        = 125 + 100 - 125 - 100

        = 225 - 225

        = 0

We see, x = 5 satisfies f(x). So, (x - 5) is a factor to the polynomial.

Now, to check (x + 2) is a factor.

i.e., to check x = - 2 satisfies f(x) or not.

f(-2) = (-2)³ + 4(-2)² - 25(-2) - 100

      = -8 + 16 + 50 - 100

     = -108 + 66

     ≠ 0

Therefore, (x  + 2) is not a factor of f(x).

To check (x - 4) is a factor.

∴ f(4) = 4³ + 4(4)² - 25(4) - 100

        = 64 + 64 - 100 - 100

        = 128 - 200

        ≠ 0

Therefore, (x - 4) is not a factor of f(x).

7 0
3 years ago
Solve for x:<br> - 3x – 9= - 1
rewona [7]
X = -8/3




Djchbcdsndosndh
5 0
3 years ago
Read 2 more answers
-7=7d-8 solve for the variable d
kvv77 [185]

-7 = 7d - 8

Add 8 to both sides.

1 = 7d

Divide both sides by 7.

<h3>d = 1/7</h3>
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3 years ago
Maria's first four test scores were 60, 90, 90, and 70. What what does she need to make on the fifth test to maintain a 70 avera
snow_lady [41]
A 40 is the lowest she can make and that would give her exactly a 70 average. 
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3 years ago
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Alan averages 10 hits out of 25 shots at the target. What is the chance that he will hit his next two attempts?
Sveta_85 [38]
The answer is that he has a 40% chance 10*100=1000 1000/25=40 Making it a 40% chance
6 0
3 years ago
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