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Solve the simultaneous equations - x+y=2 and 4y^2 - x^2 = 11
The objective of simultaeous equations is to be able to work out two unknowns by using two equations in which they are both involved. The first step is to label the equation x+y=2 as equation 1 and 4y
Find the nth term in the series: 3, 7, 11, 15, 19
Find the difference between each value. 7-3, 11-7 ... For this series the difference is 4. The nth term is then 4n + or - a constant. The series is 3, 7, 11.. each of these is 1 below a multiple of 4. 4
