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Solve the simultaneous equations: 3x+5y=3 and 6x+6y=10

(1): 3x+5y=3 (2): 6x+6y=10 Multiply number one by two to give a common factor of 6x in both equations. (3)=[2*(1)]- 6x+10y=6 Take away equation (2) from equation (3) to leave us with only y's and numbers so ...
EO
Answered by Ethan O. • Maths tutor
4849 Views

How would you sketch the curve of a graph?

A frequent question the comes up in the early parts of core maths is; how would you sketch the graph of a function f(x)? Sketching just means that you would have to find some key points on a graph - which ar...
KW
Answered by Kieran W. • Maths tutor
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Solve these simultaneous equations (2x+y=7 and 3x-y=8) and find the values of Equation: x and Equation: y .

-First of all add these two equations together so that the y s get eliminated. 5x=15 x=3 Since you have found the answer to x which is 3, substitute x into the equation 2x+y=7. 2*3+y=7 6+y=7 Therefore y=1 an...
VF
Answered by Vanessa F. • Maths tutor
11390 Views

Express 300 as a product of its prime factors.

Factors of a number are: numbers that can be multiplied (by a whole number/ integer) to make the original number. For example, 6 is a factor of 42, because 6 can be multiplied by 7 to make 42. Prime numbers ...
AM
Answered by Alice M. • Maths tutor
78067 Views

How do you solve quadratic and linear simultaneous equations?

For two linear simultaneous equations, two algebraic methods can be used to find solutions.The first is elimination, which is usually a lot quicker. Elimination involves subtracting one equation form the oth...
JA
Answered by Jack A. • Maths tutor
10126 Views