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# Equation of a curve Question HELP! watch

1. The equation of a curve is y = 8x^1/2 − 2x.
State the set of values of k for which the line y = k does not meet the curve.
I am really confused on how to solve. It is of 1 mark.
2. They meet when k = 8x^1/2 - 2x
3. (Original post by ArcaneMists)
They meet when k = 8x^1/2 - 2x
Oh but how to solve after to get k?
Oh but how to solve after to get k?
If you plot the graph, you will see that there is a maximum. See where to go from that?

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Updated: October 7, 2017
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