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by viccal
Sun Aug 12, 2012 9:47 am
Forum: Beginning Algebra
Topic: What is possible range of m-n, if -4<m<8 an 1<n<2?
Replies: 1
Views: 1203

What is possible range of m-n, if -4<m<8 an 1<n<2?

If -4<m<8 and 1<n<2, what is the possible range of m-n?

My answer is -5<m-n<6, but, again, according to the book, it is -6<m-n<7. What's the solution?

Thank you!
by viccal
Sun Aug 12, 2012 9:42 am
Forum: Intermediate Algebra
Topic: Quadratic equations: what are the roots of 4x^2-3x+9 = 0?
Replies: 1
Views: 1285

Quadratic equations: what are the roots of 4x^2-3x+9 = 0?

What are the roots of 4x^2 - 3x + 9 = 0?

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