70 likes | 81 Views
Section 8-1. Ratio and Proportion. English Customary Units of Conversion. Metric System. Length: measured in meters Capacity: measured in Liters Weight: measured in grams. K ilo- H ecto- D eca- UNIT D eci- C enti- M illi-.
E N D
Section 8-1 Ratio and Proportion
Metric System • Length: measured in meters • Capacity: measured in Liters • Weight: measured in grams Kilo- Hecto- Deca- UNIT Deci- Centi- Milli- “Kids Hate Doing Math During Class Mondays”
It is written as a quotient, Ratio • A comparison of two quantities that are measured in the same unit. • It can also be written a : b and a to b
Extremes Means Proportion • An equation that equates two ratios
then Cross product property • The product of the means equals the product of the extremes.
then Reciprocal property • If two ratios are equal, then their reciprocals are also equal.