Using the quadratic formula find the solutions for x^2+x-6
By subbing in a=1 b=1 and c=-6 into the quadratic formula, you should get two solutions of x which are x = 2 and x = -3
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Related Maths GCSE answers
All answers ▸I have a bag with 4 different coloured marbles. Blue, green, red, and orange. I have 2x,7,7x + 5,4x -3 of each coloured marble respectively. If the probability of a green marble being picked is 7/100, find the probability of an orange marble being picked.
Sketching a quadratic
3x+2y=12 ; 5x+3y=19
y is inversely proportional to d^2. When d = 10, y = 4. d is directly proportional to x^2. When x = 2, d = 24. Find a formula for y in terms of x. Give your answer in its simplest form.