stephaniesamuels stephaniesamuels

27-03-2018
Mathematics

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y=x^2+3x-7 y-5x+8=0 how many solutions are there

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jesicaortiz850 jesicaortiz850

28-03-2018

X^2+3×-7=5x-8
X^2-2x+1=0
(X-1)(x-1)=0
X=1 x=1

Y=1^2+3*1-7
Y=1+3-7
Y=4-7
Y=-3

×=1 y=-3
Solution = (1,-3)
Answer= one solution

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