Find the x co-ordinates of the points of intersection of the two equations in the graph
Attached Figure / Diagram
A
1, 1
B
0, 4
C
0,0
D
4, 0
E
4, 9
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
If y = 2x + 1 and y = x2 - 2x + 1
then x2 - 2x + 1 = 2x + 1
x2 - 4x = 0
x(x - 4) = 0
x = 0 or 4
Source: Myschool Past Questions Archive (Record #32782)