Which of these equations best describes the poi... - WAEC Mathematics 2006 Question
Which of these equations best describes the points of intersection of the curve and the line?
A
\(x^2 + 5x - 6 = 0\)
B
x2 - 5x - 6 = 0
C
x2 + x - 6 = 0
D
x2 - x - 6 = 0
correct option: c
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
x = -3 and x = 1
y = (x + 3)(x - 1)
= x2 - x + 3x - 3
y = x2 + x - 6 = 0
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