What must you do to undo a square root in order to solve an equation that includes a radical expression

You would want to find the square root of the number and then multiply that number 3 times to find the cube root.

Example:

= 2; = 8 ( so ∛8 = 2)

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,