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On the coordinate plane, Kyle graphs a line that represents a proportional relationship between x and y. Which point MUST be on the line?

User ATHellboy
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2 Answers

5 votes

Answer: the answer is D)(0, 0)

i took it

Explanation:

User Dacobah
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6 votes

Answer:

(0, 0)

Explanation:

"A proportional relationship" means that one variable is a constant multiple of another variable.

Example: y = 2x. The value of y is always twice the value of x. The 2 is the "constant of proportionality." Of course, that constant is not always 2--it can be any number.

In general, proportional relationships look like the pattern
y=kx where k is some contant.

No matter what value k has, if x = 0, then y = 0, so the point (0, 0) is on the graph of any proportional relationship.

User Mythofechelon
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