Find the roots of the equation y = 3x\(^2\) + x - 7.
Attached Figure / Diagram
A
1.4 and -1.7
B
2.0 and -1.9
C
1.0 and -1.2
D
1.1 and -1.3
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
The roots of the equation are the values of x at the point where the graph crosses the x-axis. And this can be read from the graph to be 1.4 and -1.7.
Source: Myschool Past Questions Archive (Record #75831)