1. Diketahui kurva f(x) = X^2 memotong garis y-x = 6. tentukan titik potong kurva tersebut!

y = x²
y - x = 6
y = x + 6
y = y
x² = x + 6
x² - x - 6 = 0
(x - 3)(x + 2) =
x = 3 dan x = -2
x = 3
y = x² = 3² = 9
(3,9)
x = -2
y = x² = (-2)² = 4
(-2,4)
titik potongnya di (3,9) dan (-2,4)