Question

Which of the following is the best approximation for the expression 48√ - 23√?

A) 25√
B) 27√
C) 26√
D) 30√

Answer 1

The best approximation for the expression 48√ - 23√ is 25√, obtained by subtracting the coefficients of the radical terms.

Step-by-step explanation:

The question is asking for the best approximation for the expression 48√ minus 23√. When subtracting expressions with the same radical term, you can combine them like you do with like terms in algebra. The subtraction of these two terms is straightforward since they both have the square root of the same number.

So, you would subtract the coefficients (the numbers in front of the radical) to get the solution. In this case, 48√ - 23√ equals 25√, because 48 minus 23 equals 25. The radical part remains the same since you are subtracting like terms.