Solve the simultaneous equation: y=x^2+2x-2 y=4x+6
You want to make the equations equal one another. If both equal y it can be written like this: x2+2x-2=4x+6Then simplify by putting the terms on one side and equaling 0: x2-2x-8Now put into brackets: (x-4)(x+2)x= 4, -2
RD
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All answers ▸Celine has £5 to buy pens and rubbers. Pens are 18p each. Rubbers are 30p each. She says “I will buy 15 pens. Then I will buy as many rubbers as possible. With my change I will buy more pens.” How many pens and how many rubbers does she buy? [5 marks]
solve 2x^(2) + 9x +10 = 15
How do you solve quadratic and linear simultaneous equations?
Solve for the coordinates where lines A and B intersect. A: y=x+4 B: y=0.5x+3.5