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saul85 [17]
2 years ago
7

Is a graph a proportional​

Mathematics
2 answers:
Bogdan [553]2 years ago
8 0

Answer:

How to tell the difference: A proportional graph is a straight line that always goes through the origin. A non-proportional graph is a straight line that does not go through the origin.

Step-by-step explanation:

xxTIMURxx [149]2 years ago
4 0
If the relation is proportional, the graph will form a straight line that passes through the origin hope this helps!
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Answer: Choice B

{(0,0), (1,2), (2,4), (3,4)}

===============================================

Explanation:

A function is only possible if each x input leads to exactly one y output. For choice A, we have x = 1 lead to y = 3 and y = 5 at the same time, which is what the points (1,3) and (1,5) are saying. Therefore, choice A is not a function.

Choice C is also ruled out because x = 2 repeats itself as well. In this case, (2,3) and (2,4) means that the input x = 2 leads to the two outputs y = 3 and y = 4.

Choice D can be eliminated also for two reasons: x = 0 shows up twice, so does x = 2.

Only choice B has each x value listed one time only. So that means each input leads to exactly one output.

If you graph choice A, C or D, you'll find they fail the vertical line test. The vertical line test is where you test if you can draw a vertical line through more than one point on the graph. If you can draw a vertical line through more than one point on the graph, then the relation fails to be a function.

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Where is the line plot?

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Paulina used 4. 1/2 yards of cloth. 1. 3/8 yards of white cloth 2. 3/4 yards of blue cloth to make a. Costume.How much cloth she
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Answer:

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and their negative form

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we must add two of these numbers to get -7

and the two numbers that add up to -7 are -3 and -4

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we add three to both sides to get x=3

and since x-4=0

add four to both sides

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(x-3)(x-4)

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now we simplify to get x^2-7x+12

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