book Maths Puzzle Numerical Ability

What is the domain, range, and zeroes of f(x)=x^2-6x=4

Read Solution (Total 0)

book Other Question

7+7x7-7 divided by=
(the answers are.....13, 55, 7, or none of these) how many real solutions does a quadratic equation have when the discriminant is negative,positive,and zero?