Mathematics for IGCSE & O level - Equations (Section 4 - No. 17)
What are the key elements needed when using the quadratic formula to solve an equation?
The coefficients a, b, and c of the quadratic equation.
The constant term of the equation.
The x-intercept of the equation.
The degree of the equation.
설명
The coefficients a, b, and c are all required by the formula. The constant term and x-intercept are also important.