exam Maths Puzzle Numerical Ability

May I have some help with the following equation?

Find all real solutions of the equation.

x^8 + 15x^4=16

Read Solution (Total 0)

exam Other Question

How would I solve this system by graphing, and what would be the coordinates?
3x + y = 6
3x = y = 0
Solve the following system of linear inequalities by graphing.
3x+4y<=12
x+3y<=6
x>=0
y>=0