3y = 9 - x 2y^2 = x Two points

Cem Hayes

Cem Hayes

Answered question

2021-05-25

3y = 9 - x
2y2=x
Two points

Answer & Explanation

funblogC

funblogC

Skilled2021-05-26Added 91 answers

Let: 3y = 9 - x
2y2=x
Substitute (2) to (1) and solve for y: 3y=92y2
2y2+3y9=0
Factor the left side: (y+3)(2y-3)=0
By zero product property, y=-3,1.5
Solve for the corresponding x-values using (2)
When y=-3 2(3)2=x
18=x
When y=1.5 2(1.5)2=x
4.5=x
So, the solutions of the system are: (4.5,1.5),(18,-3)

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