One number is 4 times a secondnumber. The sum of the two numbersis 30. Find the numbers.
1 answer:
You might be interested in
First simplify the equation of parabola 
in the following way:
.
You can see that if x=1 or x=2, then y=0. Two points of intersection with x-axis are (1,0) and (2,0).
You can see that if x=1 or x=2, then y=0. Two points of intersection with x-axis are (1,0) and (2,0).