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lina2011 [118]
3 years ago
5

Find the slope of the line using (4,-4) (8,-1) (0,-7) (-4,-10)

Mathematics
2 answers:
WARRIOR [948]3 years ago
8 0
The slope to (4,-4)(8,-1)(0,-7)(-4,-10) is 3/4
Irina18 [472]3 years ago
6 0
While the question gives us the coordinates for 4 points, we only need 2. You can choose any pair of points and the process I will demonstrate will still be applicable and you will get the same results. I will just pick the first two points.

Points: (4,-4) and (8,-1)
As you may already have known, the first number in the parentheses is the x value and the second number is the y value. In order to solve for the slope of the line created by the two points, we must find the difference between the y values of the two points and divide by the difference between the x values of the two points. This can more commonly be called delta y over delta x.

(y of point 1 - y of point 2)/(x of point 1 - x of point 2)
= (-4 + 1)/(4 - 8)
= (-3)/(-4)
=3/4

Slope = 3/4
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The equation 2x^2+12x=4 is written in the form of 2(x-p)^2+q=0. what is the value of q?
hram777 [196]

1) Factor out the coefficient 2:  2x^2+12x=4 => 2(x^2 + 6x) = 4

2) Complete the square of x^2 + 6x:  x^2 + 6x + 9 - 9.  Then:

                                                    2(x^2 + 6x + 9 - 9) = 4

3) Rewrite the square as the square of a binomial:

                                                    2( [x+3]^2 - 9) = 4, or

                                                     2([x+3]^2)       = 22, or

                                                     2( [x+3]^2 ) - 22 = 0

The value of q is -22.

7 0
3 years ago
Please please help help please please ASAP
krek1111 [17]

Answer:

false

Step-by-step explanation:

The horizontal axis is the x axis.

I don't really know what your school wants in the blank but here's what I think it is:

The horizontal axis on the coordinate grid is the x axis.

Hope this helps! let me know if its right!

7 0
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A 9 pound bag of seed holds 3 pounds less than four smaller bags of seed find the weight of the smaller bag of seed
frosja888 [35]

Answer:

This is a simple question for simple answer

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Step-by-step explanation:

4 0
2 years ago
I need help please!!!
natka813 [3]

Answer:

A.

Step-by-step explanation:

So you would have f(3) = 3 + \frac{2}{2}

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8 0
3 years ago
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katrin [286]

Answer:

Step-by-step explanation:

12.

(A). AB = √34 units

(B). Area of triangle is 7.5 units²

Perimeter of triangle is (√34 + 8) units

(C). ΔA'BC is reflection of ΔABC over y = 2

(D). ΔA'BC is right angled. ΔABA' is isosceles.

7 0
3 years ago
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