april316 april316

09-04-2016
Mathematics

contestada

solve each quadratic equation. 4x²=100

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Аноним Аноним

09-04-2016

4x^2=100
Square root 4x^2=square root 100
4x=plus or minus 10
4x/4=plus or minus 10/4
X= -2.5, x= 2.5

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angelfizzy angelfizzy

09-04-2016

x=100/4
x=25
the square root of 25 is 5
that means x=5

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