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icang [17]
3 years ago
5

What is the slope of the line passing through the points (-5,9) and (2,-12)​

Mathematics
1 answer:
SashulF [63]3 years ago
6 0

Answer:

-3

Step-by-step explanation:

To find the slope of a line given two points, we use:

\frac{y_2-y_1}{x_2-x_1} \text{ when the points } (x_1,y_1) \text{ and } (x_2,y_2) \text{ are on the line }.

Or you could line up the points vertically and subtract the points vertically, then put 2nd difference over 1st difference.

That looks like this:

(  2  ,  -12)

-( -5  ,  9   )

----------------

  7         -21

So the slope is -21/7 which gives you -3.

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sashaice [31]
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2 years ago
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lesya [120]

Answer:

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I am joyous to assist you anytime.

8 0
3 years ago
Find a point on the y-axis that is equidistant from the points (7, −7) and (1, 1).
jeka57 [31]
Hello : 
<span>a point on the y-axis is : P( 0, y)
</span>PA = PB  or  PA² = PB².... A(7, -7)    B(1,1)
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49+49+14y+y² = 1+1-2y+y²
16y = - 96
y= - 6 
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3 years ago
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