tacanaira tacanaira

04-07-2016
Mathematics

contestada

Which graph correctly solves the system of equations below?

y = x2 + 3x + 4
y = x2 + 2x + 1

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melhunt99 melhunt99

05-07-2016

Combine like terms: y=5x+4 and y=4x+1. Sub one in: 4x+1=5x+4. -1x=3. X=-3. Sub into other one: y=4•-3+1. Y=-12+1. Y=-11. Check it: -11=5•-3+4. -11=-15+4. -11=-11. So X=-3 and Y=-11 :)

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Аноним Аноним

27-01-2021

Answer:

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