Precalculus Examples

Determine if (1,7) is a Solution
, ,
Step 1
Simplify .
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Step 1.1
Multiply by .
Step 1.2
Add and .
Step 2
Since , the equation will always be true.
Always true
Step 3
Multiply by .
Always true
Step 4
Simplify .
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Step 4.1
Multiply by .
Always true
Step 4.2
Add and .
Always true
Always true
Step 5
Since , the equation will always be true.
Always true
Always true
Step 6
The ordered pair is a solution to the system of equations.
is a solution
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