Problem 2
Question
Evaluate each expression or indicate that the root is not a real number. $$\sqrt{25}$$
Step-by-Step Solution
Verified Answer
The square root of 25 is 5.
1Step 1: Understand the operand
The operation is a square root, which means the goal is to find a number that when squared (multiplied by itself) equals to the number inside the square root.
2Step 2: Calculation
Calculate the square root of 25. There is indeed a real number squared that gives 25, and that number is 5, since 5*5 equals 25
Other exercises in this chapter
Problem 1
In Exercises, is the algebraic expression a polynomial? If it is, write the polynomial in standard form. $$2 x+3 x^{2}-5$$
View solution Problem 1
Evaluate each exponential expression in Exercises 1–22. $$ 5^{2} \cdot 2 $$
View solution Problem 2
Find all numbers that must be excluded from the domain of each rational expression. $$\frac{13}{x+9}$$
View solution Problem 2
Factor out the greatest common factor. $$ 16 x-24 $$
View solution