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3 years ago

Can the equation of every line be written in slope intercept form

Mathematics

1 answer:

Igoryamba3 years ago

3 0

Yes. I think so. Even if there is not intercept the intercept is 0

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Given the polynomial 2x3 + 18x2 − 18x − 162, what is the value of the coefficient 'k' in the factored form?2x3 + 18x2 − 18x − 16

s344n2d4d5 [400]

Answer:

$k=3$

Step-by-step explanation:

Let

$f(x)=2x^3+18x^2-18x-162$

We factor 2 to obtain;

$f(x)=2(x^3+9x^2-9x-81)$

We factor the polynomial within the parenthesis by grouping.

$f(x)=2(x^2(x+9)-9(x+9)$

$f(x)=2(x^2-9)(x+9)$

$f(x)=2(x^2-3^2)(x+9)$

We apply difference of two squares on the second factor: $x^2-3^2=(x-3)(x+3)$

$f(x)=2(x+3)(x-3)(x+9)$

We now compare to;

$f(x)=2(x+k)(x-k)(x+9)$

It is now obvious that $k=3$

6 0

3 years ago

If line L is parallel to line K, then they

ddd [48]

An equivalent statement will be if lines L and K intersect, then they are not parallel.

<h3>Parallel lines</h3>

Parallel lines are lines that do not meet. The angle between the parallel lines is 0 degrees

The statement if line L is parallel to line K, then they will never intersect is true and an equivalent statement will be if lines L and K intersect, then they are not parallel.

This is determined using the contrapositive statements

Learn more on parallel lines here: brainly.com/question/24607467

4 0

2 years ago

Which store has the better buy? Pet Smart sells 20 pounds of pet food for $13.99 or Chewy sells 50 pounds of pet food for $37.99

zimovet [89]

Answer:

pet smart sell

Step-by-step explanation:

because it is cheaper than other sell

6 0

2 years ago

What is the answer for 4x y = -10

CaHeK987 [17]

4 times y = -10

-10/4 = -2.5

y = -2.5

8 0

2 years ago

Find (7*10 to the sixth power) -

Nat2105 [25]

Do 10 to the sixth power first then multiply that by 7 you use PEMDAS

8 0

3 years ago

Read 2 more answers