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Ulleksa [173]
3 years ago
8

6. Describe, step-by-step how to find the slope of a line through two points.

Mathematics
1 answer:
Margarita [4]3 years ago
5 0

Answer:

Step-by-step explanation:

The slope is the difference in y-coordinates of the 2 points divided by the corresponding difference in x-coordinates.

For example:

Find the slope of the line joining the points (3, 5) and (-2, 1)

The slope = (5 - 1) / (3 - (-2))

= 4/(3+2)

= 4/5.

NOTE:

You would get the same result if you reversed the values

- that is (1 - 5)/(-2 - 3

= -4/-5

= 4/5.

The important thing to remember is to use <em>corresponding </em>values in the calculation.

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Find the slope between the two points given. Then, use the slope and one of the points to write the
IrinaVladis [17]

Answer:

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y =-2x - 1

Step-by-step explanation:

The slope is -2 or -2/1.

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(1, -3) (0, -1)  The -1 and the -3 are the y coordinates.  We subtract these.

-1 -(-3)  is the same as

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To write the equation we need the slope and the y intercept.  We have the slope now.  We need to find the y-intercept.  We will use the slope and one of the points to find the y-intercept.  It does not matter which of the two points (1,-3) or (0,-1).  I will use (0,-1)

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2 years ago
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