Discriminant โ Class 10 Mathematics Formula | MscTutor
Formula deep page
Discriminant
D = bยฒ - 4ac
This formula belongs to the chapter "Quadratic Equations" in Class 10 Mathematics. Use it after identifying the right variables, matching the chapter context, and writing the substitution clearly.
How to use it
Identify the quantity you need to find.
Check the related variables and units from the question.
Substitute values carefully into the formula.
Simplify step by step and write the final statement.
Worked cue
For xยฒ + 2x + 1, D = 0 so the roots are equal
Rule note: For xยฒ + 2x + 1, D = 0 so the roots are equal