4 years ago

Help meeeeeeeeeeeee!!!!!

2 answers:

8 0

5. The Constant of proportionality is found by picking two points and putting the change in y and dividing that by the change in x. in this case that is 5/1. this can be simplified to 5.

S_A_V [24]4 years ago

4 0

Answer:

Step-by-step explanation:

A constant variation graph has the following format:

$y=kx$

Where k is the constant of proportionality.

Let's pick a point from the graph, say, (1,5).

Substitute 1 for x and 5 for y:

$5=1(k)$

Simplify:

$5=k$

Therefore, the constant of proportionality is 5.

And we're done!

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Reptile [31]

I hope you mean 1/5 when you say 1 5. If that's what you mean, then both, Joshua and Melanie, are correct because, both of their equations are the same.

Joshua's - <span>8 ÷ 1/5 = 40 (Since we can divide a number by fraction, we use this rule: keep, change flip. When we use that Joshua's equation turns into 8 * 5/1 = 8*5 = 40, same as Melanie's.)</span>

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