select the correct answer.\nwhat is the solution to the equation?\n$sqrt{x}+3 = 12$\na. 225\nb. 81\nc. 3\nd…
select the correct answer.\nwhat is the solution to the equation?\n$sqrt{x}+3 = 12$\na. 225\nb. 81\nc. 3\nd. no solution
Answer
Explanation:
Step1: Isolate the square - root term
Subtract 3 from both sides of the equation $\sqrt{x}+3 = 12$. $\sqrt{x}=12 - 3$ $\sqrt{x}=9$
Step2: Solve for x
Square both sides of the equation $\sqrt{x}=9$. $x = 9^{2}$ $x = 81$
Answer:
B. 81