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A variable Y is said to be in direct square proportion of a variable X if
- they are both 0 together and
- if variable X takes any value p then Y takes the value c*p2 where c is a constant, known as the constant of [square] proportionality.
A typical example would by X = linear measure of a regular 2 or 3-d shape and Y = its surface area.
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What are the 4 types of proportion?
direct proportion indirect proportion additive proportion partitive proportion
How do you identify the indirect proportion and a direct proportion?
ambot
Is this an example of direct or inverse proportion?
direct
How can you determine if a graph forms a direct proportion?
If it is a straight line through the origin then it represents a direct proportion.
What it is inverse and direct proportion?
Direct Proportion means that as one increases, the other also increases.Inverse proportion is the reciprocal of direct proportion. If something is in the direct proportion of 1:3, then the inversion proportion is 3:1.OrIndirect Proportion means that as one increases the other decreases, or one is directly proportional to 1 divided by the other. Example: Pressure is indirectly proportional to volume, or Pressure is directly proportional to 1/Volume.
