exam Maths Puzzle Numerical Ability

• Explain what the value of the discriminant means to the graph of y = ax2 + bx + c Hint: Chose values of a, b and c to create a particular discriminant. Then, graph the correspon

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Find the mean and the median.
-6, -3, 1, 5, 9, 18 given that sin angle=-8/17, angle in QIV, find sin(angle/2) and cos(angle/2) I do not understand this kind of problem can someone help me