Mathematics 0580 · IGCSE · Indices II

Indices II — practice question

(a(i))[1]

Simplify $p^3 \times p^{11}$ fully.

(a(ii))[2]

Simplify $\frac{18m^6}{3m^2}$ fully.

(a(iii))[3]

Simplify fully by evaluating $\left(\frac{27x^9y^{27}}{64}\right)^{\frac{1}{3}}$.

(b)[2]

Write down the first 3 terms in this sequence.

(c(i))[2]

Find the $n$th term of the sequence $13,\ 16,\ 19,\ 22,\ 25,\ldots$

(c(ii))[2]

Find the $n$th term of the sequence $3,\ 17,\ 55,\ 129,\ 251,\ldots$

(d)[3]

Solve for $x$: $\frac{3x-22}{4}=23$.

(e)[4]

Use the quadratic formula to solve $3x^2+8x-20=0$. Show all your working, and give your answers correct to 2 decimal places.

Worked solution & mark scheme

This 19-mark question has a full step-by-step worked solution and mark scheme. One marking point: Final answer: $p^{14}$

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