SOLUTION: Give the exact and approximate solutions to three decimal places.
x^2-7x+7=0
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Question 299575: Give the exact and approximate solutions to three decimal places.
x^2-7x+7=0
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
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