What is the percent change of 7 increased to 21
1 answer:
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we have
we know that
If the point is an equation solution, it must satisfy the equation.
<u>case a</u>)
Substitute the values of x and y in the equation
-------> the point is not solution of the equation
<u>case b</u>)
Substitute the values of x and y in the equation
-------> the point is solution of the equation
<u>case c</u>)
Substitute the values of x and y in the equation
-------> the point is not solution of the equation
<u>case d</u>)
Substitute the values of x and y in the equation
-------> the point is not solution of the equation
therefore
<u>the answer is</u>
The point is solution of the equation