GCSE Secondary Maths Age 13-17 - Algebra: Algebra Basics - Explained

The video tutorial covers the simplification of expressions involving indices, including multiplication and division of powers, and solving equations with unknown indices. It explains the rules of indices, such as multiplying and dividing powers, and demonstrates how to find unknown values in index equations. The tutorial also includes solving for a variable in an equation involving a cube, emphasizing the importance of understanding the placement of powers.

What is the result of simplifying (PQ^3)^2?

• P^6

• Q^6

• PQ^5

• P^3Q^3

How do you simplify T^8 / T^3?

• T^2

• T^11

• T^5

• T^24

If 2^3 * 2^n = 2^9, what is the value of n?

• 3

• 6

• 9

• 12

What is the value of X if 2X^3 = 128?

• 4

• 6

• 2

• 8

Which of the following is true about indices?

• When multiplying, subtract the indices.

• When dividing, add the indices.

• When multiplying, add the indices.

• When dividing, multiply the indices.