Recognize Equation Format: Recognize the equation format and identify the operation needed. 121=b2We need to find the square root of 121 to solve for b.
Calculate Square Root: Calculate the square root of 121.121=11Since squaring a number results in a positive number, b can be either positive or negative.
Write Possible Values: Write down the possible values for b.b=11 or b=−11This accounts for both the positive and negative square roots.
More problems from Solve equations using square roots