Question

(a) Express - 2x2 – 20x + 35 in the form a(x + b)2 + C, where the values of the constants a, b and c are to be found. [3] (b) Without carrying out any further calculation, write down the stationary value of v = -2.x2 - 20x + 35 and state whether this stationary value is a maximum or a minimum. [2]​

Answer 1

Answer:

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