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Find the values of x and y given a specified x or y value

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Quadratic Graphs: Practise Now 8 Qn ci & cii

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1. When using french curve, try to align your french curve to 3 plotted points at a time. On some occasions, you can only join 2.

2. Ensure that your drawn curve is smooth, especially around the turning point!

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Before using the curved ruled, straighten the ruler out first!

1. After straightening the ruler out, align the ruler to your plotted points. It helps to bend the ruler one point at a time.

2. Bring the ruler to your pencil (this ensures your pencil itself passes through the points)

3. Ensure that your drawn curve is smooth, especially around the turning point!

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Finding the minimum / maximum point of the curve

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Quadratic Graphs: Practise Now 8 Qn ciii

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Finding the equation of the line of symmetry

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Attempt part (a) yourselves to find the value of p & q

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How do I draw my axis?

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Finding coordinate of turning point and equation of line of symmetry

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Helping videos

For part (a), you can look at Qn 3 Part (a) video to guide how to draw the axes.
For part (bi), you can look at Practise Now part (ci) video to guide how to find the relevant values
For part (bii), you can look at Practise Now 8 Part (cii) video to guide how to find the minimum point.
For part (c), you can look at Practise Now 8 Part (d) video to guide how to find the equation of the line of symmetry.

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Drawing an appropriate graph to find a solve equation