Name: Pre-Algebra 11 - Fractions and Rational Numbers @MyWhyU
Uploaded: 2011-07-29T01:29:31-0400
Duration: 8 min 17 s
Description: The first fractions used by ancient civilizations were unit fractions. Later, numerators other than one were added, creating vulgar fractions which became our modern fractions. Together, fractions and integers form the rational numbers.

MyWhyU | Algebra 24 - Standard Form @MyWhyU | Uploaded 10 years ago | Updated 3 minutes ago
The standard form of the equation for a line Ax + By = C can describe any line in the Cartesian plane, including vertical lines. The constants A, B and C have no special meaning, but in combination they tell us many things about the line's graph.

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$Pre-Algebra 11 - Fractions and Rational Numbers The first fractions used by ancient civilizations were unit fractions. Later, numerators other than one were added, creating vulgar fractions which became our modern fractions. Together, fractions and integers form the rational numbers.$