what is the equation of a line that passes through (7,8) and has a slope of -3

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alex145 alex145

04-07-2016
Mathematics

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what is the equation of a line that passes through (7,8) and has a slope of -3

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What are the advantages and disadvantages of globalization

how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O

Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?

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Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?

Mehek Mehek · Answer 1 · 2016-07-04T21:55:09+02:00

Mehek Mehek

04-07-2016

y = mx + b

m = slope = -3

y = -3x + b

We need to find b, so plug 7 for x and 8 for y

8 = -3*7 + b

8 = -21 + b

Add 21

29 = b

So the equation is y = -3x + 29.

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