If sqrt x=-7 then x=-49true or false

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

In the diagram below, tan θ = sqrt 3. what is the value of m?

F(x)=5/6x+3 which of the following is true