The value of the a, in the provided quadratic equation for which Nancy found one solution as x=1 is 9.
The solution of the quadratic equation is the solution of the variable of the equation, for which the equation satisfies.
Nancy found that x=1 is one solution to the quadratic equation. The quadratic equation is,
[tex](x +2)^2=a[/tex]
For this equation, one solution is x=1. Put this value in the above equation to get the value of a,
[tex](1 +2)^2=a\\(3)^2=a\\9=a\\a=9[/tex]
Thus, the value of the a, in the provided quadratic equation for which Nancy found one solution as x=1 is 9.
Learn more about the solution of the equation here;
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