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Use the quadratic formula to find the solutions to x^2+2x-35=0

x=5 and x=7

Answered by Georgia N. • Maths tutor

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How do you change the subject of the formula?

Factorize x^2-x-20

y = p x q^(x - 1), When x = 1, y = 10, and when x = 6, y = 0.3125. Find the value of 'y' when x = 3

c) Sharon is organising an event. The tickets cost 12 pounds each. Sharon paid 200 pounds for the cost of the event. How many tickets will Sharon have to sell to make a profit? (2 marks)

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