3 years ago

Find the slope of the given points (3, 4) and (7,-4). A)-1/2 B) 2 C) -2 D) 0

Mathematics

1 answer:

kakasveta [241]3 years ago

7 0

Answer:

-2

Step-by-step explanation:

$y = kx + n$

When you insert the given points you get

$3k + n = 4 \\$

$7k + n = - 4 \\$

Than you multiply the first one by - 1 and sum it with the second to get rid of n

$4k = - 8 \\ k = - 2$

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