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Determine the number of real solutions of the following system. y = x2 + 3x − 2 y = 4x − 1

Determine the number of real solutions of the following system. y = x2 + 3x − 2 y = 4x − 1
asked 217k views
4 votes
Determine the number of real solutions of the following system.

y = x2 + 3x − 2
y = 4x − 1

asked
User Phssthpok
by
8.8k points

1 Answer

4 votes

Answer:

2 real solutions

Explanation:


y=x^2+3x-2


y=4x-1


x^2+3x-2=4x-1


x^2-x-2=-1


x^2-x-1=0


x=(1 +-√(1-4*1*(-1)) )/(2)


x=(1+-√(5))/(2)

answered
User Diaz
by
8.5k points
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