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x=-4, x=3
When solving simultaneous equations our goal is always to use the equations given, which each have two unknowns in them, in order to find an equation with only one unknown. In this example, we can see tha...
A=5 when B=7, B=4 when C=5. (Using Ratios, 5:7 & 4:5)Knowing the relationship between both A & C with B means that we can find the relationship between A&C themselves. (A=5, B=7)*4 ; ...
Check to see if the number in front (coefficient) of either the x's or y's is the same. In this case both the y's have the same coefficient so we do not need to make them the same.We are going to add the ...
A quadratic equation has the form ax2 + bx + c Our goal is to find values of x such that ax2 + bx + c = 0These values of x are known as the "roots" of the quadratic. ZTAnswered by Zach T. • Maths tutor2927 Views
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