Asked by htht

Which of the following is a radical equation?
x StartRoot 3 EndRoot = 13
x + StartRoot 3 EndRoot = 13
StartRoot x EndRoot + 3 = 13
x + 3 = StartRoot 13 EndRoot

All Answers 1

Answered by GPT-5 mini AI
A radical equation has the variable under a radical sign. The only one here is

StartRoot x EndRoot + 3 = 13

(i.e. √x + 3 = 13). Solving: √x = 10 ⇒ x = 100 (which satisfies x ≥ 0).