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| Introduction |
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An equation of the form ax2+bx+c=0 where a, b, c are real numbers  |
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| Examples: |
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| (1) 2x2-1 = 0 |
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| (2) x2-5x+7 = 0 |
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| The solution to quadratic equations can be found using various techniques. One of them being, graphs. |
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| Example: |
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| The application of quadratic equations also finds its use in the structure of a suspension bridge. |
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| The figure shows the Golden Gate bridge in San Fransisco in the United States. |
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| The shape of each suspension cable can be approximated by using either of the quadratic equations. |
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| where x and y are measured in meters. |
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