GCSE Secondary Maths Age 13-17 - Pythagoras & Trigonometry: Vector - Explained

The video tutorial covers solving vector problems, focusing on expressing vectors in terms of others using ratios. It begins with an introduction to the problem, explaining the diagram and the given vectors. The tutorial then delves into understanding the ratio of segments and how to express one vector in terms of others. The solution involves calculating the vector O to C by combining given vectors and using algebraic manipulation. The tutorial concludes with a discussion on marks allocation and tips for tackling vector questions effectively.

What is the given ratio of the segments AB to BC in the problem?

• 2 to 5

• 3 to 4

• 5 to 2

• 1 to 3

If a line is divided in the ratio of 2 to 5, how many equal segments is it split into?

• 5

• 7

• 10

• 2

What is the expression for vector O to A given in the problem?

• A + 2B

• 2A + B

• 2B + 3A

• 3A + 2B

How is the vector A to B expressed in terms of A and B?

• 2B + A

• 3A + B

• 2A + 3B

• A + B

What is the final expression for vector O to C in its simplest form?

• 9/2 A + 11/2 B

• 11/2 A + 9/2 B

• 7A + 3B

• 5A + 4B

How many marks are allocated for finding the expression 7/2 A + B?

• Two marks

• No marks

• One mark

• Three marks

What is the most challenging part of vector questions according to the tutorial?

• Finding the final answer

• Expanding brackets

• Sorting out the ratios

• Combining vectors