Mathematics 0580 · IGCSE · Exponential growth and decay

Exponential growth and decay — practice question

The point (5, 1024) is on the curve $y=c^x$, with c being a whole number.

(main)[3]

State the $y$-coordinate of the point on the curve whose $x$-coordinate is $-2$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\frac{1}{16}$ or $0.0625$” …