exam Maths Puzzle Numerical Ability

w-4/3w ÷ 2w-8/9w

Read Solution (Total 0)

exam Other Question

Problem: x^2+7x=1

This is the answer I got, is it correct?

x = -7/2 ±√53/2
if f (x) = 4x - 3, find the following: f (-1)