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x is directly proportional to y if when x is increased (or decreased) by a relative amount then the same relative change occurs in y.
So, if x is doubled, for example, then y is also doubled.
Examples are:
1. Weight is equal to mass * gravity. Here mass and weight are directly proportional (when measured in the same gravitational field). For example, if we double the mass then the weight is also doubled.
2. In electronics there is a law called Ohm's Law which states: voltage = current * resistance (V = IR). Here the voltage is directly proportional to both current and resistance. For example, if we halve either the current or resistance then the voltage is also halved.
There are lots of other examples you could find.
What else can I help you with?
What are real life examples of direct proportion?
it is some wrods and maybe some numbers
What is the direct proportion?
Two variables, X and Y, are said to be in direct proportion if X/Y is a constant. Equivalently, Y = cX for some constant c.
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
What are real life examples of direct proportion?
it is some wrods and maybe some numbers
What is the direct proportion formula?
x and y are in direct proportion if there is some positive constant c such that y = cx
What do you know about direct proportion and inverse proportion?
direct proportion: y=kx inverse proportion: y=k/x
What is the direct proportion?
Two variables, X and Y, are said to be in direct proportion if X/Y is a constant. Equivalently, Y = cX for some constant c.
Differentiate direct proportion from inverse proportion?
when both increaes its direct proportion and when one increase and othe decreases its inverse proportion.
Does Working with Rates rely on direct proportion?
Yes it does rely on direct proportion.
What are the 4 types of proportion?
direct proportion indirect proportion additive proportion partitive proportion
Which type of line shows a direct proportion?
Which type of line shows a direct proportion
How do you identify the indirect proportion and a direct proportion?
ambot
Is this an example of direct or inverse proportion?
direct
What are the three kinds of proportion?
the three kinds of proportions are indirect proportion, direct proportion and thepartitive proportion
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.
