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Methods for solving systems
We will be looking at two methods for solving systems in this section.
Method of substitution
The first method is known as the method of substitution. In this method we will solve out one of the equations for one of the variables & substitute it into the other equation. It will yield one equation along with one variable that we can solve out. Once it is solved we substitute this value back in one of the equations to determine the value of the remaining variable.
In words this method is not always very apparent. Let's work on examples to see how this method works.
3X^8+6X^7-9X^6+6X^5 FACTOR THE EXPRESSION
square root of 18
solve each equation for given variable 3ab-2bc=12;
5/t2 + 4/t+1
Quadratic Formula It is the final method for solving quadratic equations & it will always work. Not only that, although if you can recall the formula it's a fairly simple proc
5x+2x-17=53
Example Evaluate log 5 7 . Solution At first, notice that we can't employ the similar method to do this evaluation which we did in the first set of instance. It would n
81x^5-49x^3=0
10 to the 50th exponent
How do I do this?? x/x+1=x/2(x-4)
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