Grade A
revise!
| #50 Grade A |
revise! |
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| try a random GCSE question... |
| a)
You area told that y is proportional to x2 and
that when y = 75, x = 5. Find a formula for y in terms of x. |
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b) Find the value of y when x = 3. |
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c) Find the value of x when y = 1200. |
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