So-called simplifying, really means, "rationalizing the denominator", which is another way of saying, "getting rid of that pesky radical in the bottom"
20 points. Picture says it all.
1 answer:
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Answer: (2,-1).
Step-by-step explanation:
The given system of equations is
For , table of values is
x : 0 1 2
y : 2 0.5 -1
For , table of values is
x : -1 2 5
y : -2 -1 0
Plot these points on a coordinate plane and connect them be straight lines as shown below.
Form the graph it is clear that the lines intersect each other at (2,-1).
Therefore, the solution of given system of equations is (2,-1).
