Search over 10,000 free study notes

4x - 3y = 11 10x + 2y = -1 x2 x38x - 6y = 22 30x + 6y = -338x = 19x = 28 - 3y = 11-3 = 3yy = -1x=2, y=-1

You want to express this expression in the form (x+a)(x+b) to do this you want to find two numbers that add to make -5 (the coefficient of x) and multiply to make 6. Let's first focus on numbers that mult...

Working with more than 2 variables in simultaneous equations can be daunting at first, but as long as you apply the same methods you have learned for simpler problems, you will get used to these more comp...

The probability that a boy chosen at random studies French is 2/3. This is also a proportion. It says that for every 3 boys, you can say that 2 of them will study french. It is also close to 66% as it can...