The following is the graph of a quadratic friction, find the value of x when y = 0
Attached Figure / Diagram
A
1, 2
B
1, 4
C
2, 3
D
1, 6
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
when y = 0, value of x = roots of the equation
x2 - 5x + 4 = 0
x = 1, 4 (see graph)
Source: Myschool Past Questions Archive (Record #36482)