What is the solution set for this linear-quadratic system of equations?
y = x2 − x − 12
y − x − 3 = 0

Question

What is the solution set for this linear-quadratic system of equations?
y = x2 − x − 12
y − x − 3 = 0

claralight · Answer

{(-3, 0), (0, 3)}

{(-3, 0), (4, 0)}

{(-3, 0), (5, 8)}

{(4, 0), (0, 3)}

mathmale · Answer

You could check out the possible answers by substituting them into the given equations, or you could do all of the work of finding your own solutions and then comparing them to the given answer choices.  Your decision.

mathmale · Answer

Substitution and / or graphing would probably arrive at a solution fastest.

Which equation would be easier to solve for x or for y?