👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the ...

👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the ...

A discussion among students at Oberlin High School in Oberlin, La., about a mathematical symbol led to a police investigation and a search of one of the student’s homes, according to the Allen Parish ...

On Tuesday, at Oberlin High School, a student had been completing a math problem that required drawing the square-root sign. Deputies say another student made a comment that the symbol looked like a ...