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3 years ago

8-2 3/4 =show the work

Mathematics

1 answer:

Misha Larkins [42]3 years ago

5 0

<em><u>ANSWER</u></em>

8-2........3/4 but you have you ADD some people dont know that 8-2= 6

and so 6/1 + 3/4 is 24/4

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When x = a is a zero of a polynomial function f, the three statements below are true.

Lunna [17]

Answer:

x = a is a zero of a polinomial f(x), this is the same than: f(x) has a root at x = a

Then: f(a) = 0.

a) x = a is a ____ of the polynomial equation f(x) = 0.

If we define f(x) = 0, then x = a is a solution of the equation.

Then the complete sentence is:

x = a is a solution of the polynomial equation f(x) = 0.

b) ____ is a factor of the polynomial f(x).

Remember that if a polynomial p(x) of degree n has the roots x₁, x₂, ..., xₙ

Then we can write p(x) in the factorized form as:

p(x) = A*(x - x₁)*(x - x₂)*...*(x - xₙ)

Where A is a real number.

Then if in this case we know that a is a root of f(x), then (x - a) is a factor of the polynomial f(x), then the complete sentence is:

(x - a) is a factor of the polynomial f(x).

c) (a, 0) is a ____ of the graph f(x)

We usually use the notation y = f(x).

Then the points of the form (x, f(x)) are the points that belong to the graph of f(x).

In this case, the point (a, f(a)) = (a, 0)

This point belongs to the graph of f(x), then the complete sentence can be written as:

(a, 0) is a point of the graph f(x).

4 0

3 years ago

Please help me ): I don’t know what to do

almond37 [142]

Answer:

Question 1: the slope is -6

Question 2: the first choice is the one you want

Step-by-step explanation:

For the first one, I can't tell what fraction is on the left side with the y, but it doesn't matter. To me it looks like 1/2, but like I said, it won't change or affect our answer regarding the slope. That number has nothing to do with the slope.

In order to determine the slope of that line that is currently in point-slope form, we need to change it to slope-intercept form. Another expression for slope-intercept form is to solve it for y. Doing that:

$y - \frac{1}{2}=-6x-42$

Now we can add 1/2 to both sides. That gives us the slope-intercept form of the line:

$y=-6x- \frac{83}{2}$

The form is y = mx + b, where the number in the "m" place is the slope. Our slope is -6.

For the second one, we will sub in the x coordinate in a pair for x in the equation of the line and do the same for y to see if the left side equals the right side. The answer is $(\frac{2}{9},-7)$ and I'll show you why. I will also show you how another point DOESN'T work in the equation. Filling in 2/9 for x and -7 for y:

$-7+7=-3( \frac{2}{9} -\frac{2}{9})$ which simplifies to

0 = -3(0) so

0 = 0 and this is true.

The other point I am going to use in exactly the same process is (-3, -7) since it doesn't have fractions in it. First I'm going to distribute the -3 into the parenthesis to get:

$y+7= -3 x + \frac{6}{9}$

Subbing in -3 for x and -7 for y:

$-7+7=-3( -3) +\frac{6}{9}$

As you can see, the left side equals 0 but the right side does not. If the lft side doesn't equal the right side, then the expression is not true, so the point is not on the line.

7 0

3 years ago

X=3 and y=5 can someone help me understand this plz

geniusboy [140]

4*5-3=17
The answer is 17

4 0

4 years ago

Is it possible for a triangle to have sides with the given lengths: 20 m, 22 m, and 24 m? A. Yes; the sum of each pair is greate

snow_lady [41]

The correct answer is A) yes, the sum of each pair is greater than the third.

The triangle inequality theorem states that the sum of any two sides of a triangle is longer than the third side. This is true for these numbers, so this does form a triangle.

3 0

3 years ago

Read 2 more answers

You roll a fair 6-sided die what is p (not 3)

Ulleksa [173]

As a fraction, the exact answer is 5/6
In decimal form, the approximate answer is 0.8333

To get this answer, note how there are 5 ways to roll something that isn't a three (1,2,4,5,6) out of 6 ways total (1,2,3,4,5,6)

So you simply divide the two values to get 5/6 = 0.8333

8 0

4 years ago

Read 2 more answers

8-2 3/4 =show the work​

8-2 3/4 =show the work