Find the square roots of 100. 5 and -5 10 and -10 15 and -15 20 and -20

## Step 1: Identify the number to find the square root of<br />### We need to find the square roots of 100.<br />## Step 2: Determine the positive square root<br />### The positive square root is the number which, when squared, equals 100. The number 10 squared equals 100: <br />\[ 10^2 = 10 \times 10 = 100 \]<br />## Step 3: Determine the negative square root<br />### Similarly, the negative square root is the negative number which, when squared, also equals 100. The number -10 squared equals 100:<br />\[ (-10)^2 = (-10) \times (-10) = 100 \]