Book Maths Puzzle Quadratic Equations

How is the graph of a quadratic equation obtained?
which are its elements?
what are the "zeros of a function"? how are they obtained

Read Solution (Total 0)

Book Other Question

If one scores 26.5 out of 30 on a test what is it out of 100, and if one gets 23 out of 35 what is it out of 100 and if one gets 23 out of 40 what is it out of 100? how do i simplify the expression if possible:

2x^2+11x-6/x+6