Use the quadratic formula to solve.

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UnybYbir

Mathematics

Description

21). Use the quadratic formula to solve.   0.3x2=1.2x+0.3

A.  The solution set is {      }.

Or

B.  The solution is ∅.

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Explanation & Answer

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0.3x^2-1.2x-0.3=0

x = [1.2+-sqrt(1.44+0.36)]/0.6

=[1.2+-sqrt(1.8)]/.6 =4.236

or 

x = -0.236

the solution set is {4.236,-0.236}


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Anonymous
Just what I was looking for! Super helpful.

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