Which of the following is a like radical to 3x5?
5y
3(5x)
y5

Answer:
y[tex]\sqrt{5}[/tex]
Step-by-step explanation:
Like radicals are radicals that have the same radical (the number into the square root) and the same radicand (the number above the root)
Here, only the last expression [tex]\sqrt{5}[/tex] can be chosen.