exam Maths Puzzle Numerical Ability

Solve by completing the square

3x^2 - 4x + 5 = 0

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exam Other Question

A straw has a radius of 0.13 inch and a length of 7 inches. How much material was used to make the straw? Round answer to the nearest tenth. Find the slope of the graph of the linear function f.

f(6)=-1, f(3)=8