Mathematics for IGCSE & O level - Sketching Curves (Section 5 - No. 22)
Which of these options is correct about a quadratic function?
The coefficient of the \(x^2\) term determines the y-intercept.
A quadratic function forms a parabola.
A quadratic function has no turning points.
The roots are determined by the y-intercept.
Vysvětlení
A quadratic function, represented by a quadratic equation, forms a parabola.