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Fantom [35]
4 years ago
11

Select the three equations that pass through the points (-4,-16) and (5, 2):

Mathematics
2 answers:
almond37 [142]4 years ago
6 0

Answer:

  see below

Step-by-step explanation:

All of the offered answer choices agree that the line through the two points has a slope of 2.

Using the point-slope form of the equation for a line, we can write an equation for each of the given points:

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

Using point (-4, -16) in this equation form gives ...

  y +16 = 2(x +4) . . . . . matches the last choice

Using point (5, 2) in this equation form gives ...

  y -2 = 2(x -5) . . . . . . matches the second choice

Simplifying either equation to slope-intercept form gives ...

  y = 2x -10 +2

  y = 2x -8 . . . . . . . . . matches the third choice

jolli1 [7]4 years ago
3 0

Answer:

It's B,C,D

Step-by-step explanation:

I got it right on edge

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Is this right? and do you use not use the x-intercepts?
vampirchik [111]

Answer:

You are correct.

Step-by-step explanation:

The x-intercept could be written the way you have or also it can be written as a point (-1, 0).

The y-intercept could also be written as a point (0, -2) But they are commonly written the way you have also.

So, the slope is -2. But just to be clear. That slope of -2 has nothing to do with the y-intercept of -2.

If you mark all the points on the line, to get from one point to the next point, you go down 2 and over (positive direction) 1. The down 2 in math is -2 and the over 1 is just 1. The slope is that ratio of -2/1.

Slope tells us if the line is going up or down, steep or flat, even horizontal. It was coincidence only that the y-intercept and slope were the same number.

6 0
3 years ago
A tree is three times the height of the school.
natima [27]

Answer:

Can you be a litte more specific

Step-by-step explanation:

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3 years ago
2/x -2/y = 1/2<br> 1/x + 5/y =3/4<br> Solve for x and y to find the point of intersection
nadya68 [22]

Answer:

x=3,

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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8 0
3 years ago
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Vilka [71]

Answer:

8/12

Step-by-step explanation:

if the denominator 3 needs to get to 12 multiply it by 4

and the rule is do the same to both the numerator and denomenator so 4 x 2 is 8 making it 8/12

<h2><u><em>please vote brainliest</em></u></h2><h2><u><em></em></u></h2>
7 0
4 years ago
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