averiemiranda1 averiemiranda1

02-04-2019
Mathematics

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Find y if the slope between (3, y) and (11, 15) is 1.

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Аноним Аноним

02-04-2019

The slope is defined as

[tex]m=\dfrac{\Delta y}{\Delta x}=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

So, we have

[tex]m=1=\dfrac{15-y}{11-3} \iff \dfrac{15-y}{8}=1 \iff 15-y=8 \iff y=15-8=7[/tex]

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