Mathematics for IGCSE & O level - Equations (Section 7 - No. 37)
When using the quadratic formula, what does the value of 'a' correspond to in a quadratic equation?
The constant term
The coefficient of x
The coefficient of x²
The y-intercept
解释
In the standard form ax² + bx + c = 0, 'a' is the coefficient of the x² term.