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

The video tutorial explains how to solve the equation y = 1 - 4x for values of x from -3 to 3. It presents two methods: using a table of values and applying the Y = MX + C formula. The tutorial emphasizes the latter as the quicker and more accurate method, detailing how to find the gradient and intercept. It also guides on drawing the graph accurately and explains the marking criteria for the question.

What is the equation of the straight line discussed in the text?

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Explain the significance of the M and C parts in the equation of a straight line.

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How do you determine the gradient of the line from the equation?

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Describe the process of plotting the line based on the gradient and intercept.

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What are the three marks awarded for in the question about the graph?

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