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Solve the system of equations. { 13x−y=90 y=x^2−x−42

Solve the system of equations. { 13x−y=90 y=x^2−x−42
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4 votes
Solve the system of equations. { 13x−y=90 y=x^2−x−42

User Chmich
by
9.3k points

1 Answer

6 votes
There are two possible answers:
(6, -12)
(8, 14)

You can get these by taking the second equation and plugging it in for y in the first equation. Then solve using the quadratic formula.
User Jglasse
by
8.5k points
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