GCSE Secondary Maths Age 13-17 - Graphs: Graphs - Explained

The video tutorial explains how to complete a table of values for a quadratic equation, y = X^2 - 3X + 2. It demonstrates checking calculations, plotting a graph, and finding solutions using the graph. The tutorial emphasizes the importance of symmetry in quadratic graphs and provides guidance on achieving accurate results. It also discusses the marking scheme for the task and highlights common mistakes to avoid.

What is the value of Y when X is 5 in the equation y = X^2 - 3X + 2?

• 20

• 15

• 12

• 10

Which of the following is a characteristic of a quadratic graph?

• It is a zigzag pattern

• It is a straight line

• It is a symmetrical curve

• It is a circular shape

When plotting a quadratic graph, why is it important not to use a ruler?

• To ensure the graph is straight

• To maintain the curve's symmetry

• To avoid errors in calculations

• To make the graph look neat

How do you find the coordinates where the quadratic equation equals four?

• By solving algebraically

• By drawing a horizontal line at y=4 on the graph

• By using a calculator

• By guessing the values

What are the estimated X values where the quadratic equation equals four?

• -0.6 and 3.6

• 0 and 4

• 1 and 5

• 2 and 6

How many marks are awarded for correctly filling in the table of values?

• 4 marks

• 3 marks

• 2 marks

• 1 mark

What is the total number of marks available for this quadratic equation question?

• 7 marks

• 6 marks

• 5 marks

• 4 marks