SOLUTION: x^2-7x+11=0
the exact solutions=?
the approximate solutions to 3 decimal places are?
Algebra.Com
Question 206085: x^2-7x+11=0
the exact solutions=?
the approximate solutions to 3 decimal places are?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.
Notice that the quadratic is in the form of where , , and
Let's use the quadratic formula to solve for "x":
Start with the quadratic formula
Plug in , , and
Negate to get .
Square to get .
Multiply to get
Subtract from to get
Multiply and to get .
or Break up the expression.
So the solutions are or
which approximate to or
Note: use a calculator to evaluate and to get the approximate answers.
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