Mathematics for IGCSE & O level - Equations (Section 2 - No. 11)
What's the first step when solving an equation using the quadratic formula?
Identify the values of a, b, and c.
Substitute the values into the formula.
Simplify the terms under the square root.
Calculate the result.
Εξήγηση
You must know a, b, and c before you can proceed