Find the slope of the line that passes through the points (-2, 4) and (-5, -6).

Mathematics

1 answer:

zaharov [31]3 years ago

6 0

Answer:

10/3

Step-by-step explanation:

Slope = (y2 - y1)/(x2 - x1)

= (4 + 6)/(-2 + 5)

= 10/3

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Hi there!

So, our two equations are:
2x + 3y = 20 and
-2x + y = 4

We can see that the x's will cancel out because they're the same number, opposite signs. Then we're left with 4y = 24.

Divide 24 by 4, which is 6.

y = 6, then we plug that in to the first equation for y:
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So, she made her first mistake when adding the equations, adding 20 and 4, she somehow got 16.

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