Law Of Indices

In this lesson on the Law of Indices, students will learn how to simplify expressions involving powers using key rules. These include adding indices when multiplying, subtracting when dividing, and multiplying when raising a power. Mastering these laws helps simplify algebraic expressions and builds a strong foundation for more advanced maths topics.

Related Lessons:

Law Of Indices

In this video, we will explore the different laws of indices. To make the law easier to remember, the laws are grouped into logical categories, such as combining powers with the same base and combining bases with the same power.

Law Of Indices Example 1

Simplify, leaving your answer in positive index notation

  1. \(35x^2Γ·5x^{-4}\)
  2. \((4π‘₯^6 )^{\frac{1}{2}}\)

Law Of Indices Example 2

Simplify \(\frac{𝑦^6Γ—βˆšπ‘¦}{𝑦^3}\) , giving your answer in the form \(𝑦^𝑛\) where n is a rational number.

Law Of Indices Example 3

Simplify \(\frac{2π‘Ž^3Γ—3π‘Ž^{βˆ’2}}{βˆšπ‘Ž}\), leaving your answer in positive index notation.

Law Of Indices Example 4

Simplify \((π‘Ž^{βˆ’\frac{ 3}{4}} 𝑏^{\frac{1}{3}} )^2Γ—βˆ›π‘Γ·βˆš(π‘Ž^{βˆ’5} )\), leaving your answer in positive index notation.

Law Of Indices Example 5

Simplify each of the following expressions as a positive index:
  1. \(βˆ›π‘§^{βˆ’6}\)
  2. \((pq^2)^{-5}Γ—\frac{q^0}{p^3}Γ·(p^{-3}q)^3\)

Law Of Indices Example 6

Simplify, \(\frac{(3π‘π‘ž^2 )^2}{βˆ›(8π‘Ÿ^6 )}Γ·15𝑝^2 π‘ž\) leaving your answer in positive index notation.

Law Of Indices Example 7

Given that \(\frac{𝑑^6Γ—βˆ›π‘‘^2}{𝑑^{βˆ’1}} =𝑑^𝑛\), find the value of n.

Law Of Indices Example 8

Β Given that \(\frac{π‘₯^{\frac{3}{2}}Γ—π‘₯^{βˆ’3}}{√π‘₯}=π‘₯^𝑛\), find the value of n.

Law Of Indices Example 9

Solve the equation \(4^π‘₯=\frac{1}{32}\)

Law Of Indices Example 10

Solve the equation \(16=8^{\frac{1}{π‘₯}}\)

Share With Friends:
error:
Scroll to Top