WAEC - Mathematics (2006 - No. 21)

Which of these equations best describes the points of intersection of the curve and the line?

\(x^2 + 5x - 6 = 0\)

x² - 5x - 6 = 0

x² + x - 6 = 0

x² - x - 6 = 0

The roots are -3 and 1

x = -3 and x = 1

y = (x + 3)(x - 1)

= x² - x + 3x - 3

y = x² + x - 6 = 0