Mathematics for IGCSE & O level - Equations (Section 4 - No. 28)
In the quadratic formula, what is the purpose of the square root?
To factor the equation.
To find the y-intercept.
To find the x-intercept.
To eliminate the squared terms.
คำอธิบาย
The square root operation, along with the rest of the quadratic formula, yields the roots.