book Maths Puzzle Numerical Ability

When you take the square root of both sides of an equation, what
sign(s) must be given to the result on the right side if the variable is
on the left side?

Read Solution (Total 0)

book Other Question

Clark's spaceship follows a circular orbit around Earth before landing. It has an equation of : x^2 + y^2 = 64.
An asteroid follows elliptical orbit about Earth.
It has an equati Please help me to do this equation 15-4x=42-7x