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How can you tell if one variable is directly proportional to another variable?
Wiki User
∙ 12y ago
One variable is directly proportional to another if increasing/decreasing the first variable increases/decreases the second variable by the same proportion. For example, consider the equation a = b x c. "a" is directly proportional to both "b" and "c". If you double "b" or "c" then "a" is also doubled etc...
Wiki User
∙ 12y ago
Two variables are directly proportional to each other if they increase or decrease together at a constant rate. In other words, if you plot the relationship between the two variables on a graph and the points lie on a straight line passing through the origin, then they are directly proportional. Mathematically, this can be expressed as y = kx, where k is a constant.
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How do you ask out a boy in your third grade class?
Just be yourself. Hang around him more and more. Then slip a note in his backpack where he can see it, asking him if he likes you. Tell him to give a note back to you, to see if he likes you. Don't tell him that you like him, then, if he says he likes you, send him another note saying you like him too. Then, you will automaticly be "going out" if not, then pass him another note asking if he will go out with you. He will probably say yes.
How do I convince my friend's parents to not tell my parents that we snuck out of the house?
You can try to tell them that you are so sorry, will never do it again, and tell them you know it was a big mistake and to please not tell them, but no guarentees.
How can you tell something is a linear function?
A function is linear if one variable is directly proportional to the other.
How can you tell if one variable is inversely proportional to another variable?
if one goes up as the other goes down (or vice versa) they are inversely proportional
How can you tell the difference between a graph in which one variable is directly proportional to another and a graph in which two variables vary inversely?
1. You can tell the difference because the proportional one has the same slope while the inversely one has opposite reciprocal slope.
How do you tell if a math table is inversely proportional or directly proportional?
Generally, if y increases as x increases, this is a hint that the quantity is directly proportional, and if y decreases as x increases, the relation might be inversely proportional. However, this is not always the case. x and y are directly proportional if y = kx, where k is a constant. x and y are inversely proportional if y = k/x, k is constant. This is the best way to tell whether the quantities are directly or inversely proportional.
How can you tell when x and y are NOT directly proportional?
When there is at least one pair of x and y whose ratio is different from the ratios for the others.
Tell the table of IQ test?
how to tell if a table s proportional or non proportional
What is an example of inversely proportional?
If quantity A is directly proportional to another quantity B, it means that if B is doubled so is A. When B is tripled so is A. It also works in the other direction; if A is tripled so is B. It works for any factor. In mathematical terms one may write: A = C * B Where C is some numerical constant.
How do you tell if a pair of ratios are proportional?
you have to times and get the answer correct or not
Describe how you can tell by looking at the graph of a function with variable is the input variable and which is the output variable?
You cannot.
How can you tell from the graph of Molly's garden on the previous slide that it represents a proportional relationship?
The graph of a proportional relationship has the same unit rate, is a straight line, and starts at the origin.
How can i tell if a relation is a function?
you can tell if there is an independent (x) and a dependent (y) variable
What are the independent and depent variables?
You can tell which is the independent variable and which is the dependent variable by changing the equation into an "if/then" statement. Example: y = 3x In this example, x is the independent variable and y is the dependent variable. If you give me x, I will tell you y. If x = 1, then y = 3 If x = 2, then y = 6 So you give me the independent variable, and then I will be able to determine the dependent variable.
