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sveticcg [70]
3 years ago
14

1. Explain, without graphing, how you can determine whether the table below represents a

Mathematics
2 answers:
diamong [38]3 years ago
6 0

Answer:

below

Step-by-step explanation:

you can find the distance between the y values for each x value and if it comes out to be an even increase/decrease you know it is linear

liubo4ka [24]3 years ago
4 0

Answer:

It does not form a linear equation.

Step-by-step explanation:

For this question, you should check that they all have the same gradient.

To work out the gradient, use \frac{y_{2}-y_{1}}{x_{2}-x_{1}}.

Using the top 2 rows, this gives \frac{-1--3}{-2--6}, or \frac{2}{4}, simplified to \frac{1}{2}. This means for every increase in x by 1, y increases by \frac{1}{2}.

Between the first 2 rows, x increases by 4 and y by 2 (half of 4), so it is true.

Between the second and third rows, x increases by 2 and y by 2 (which isn't half of 2). This is false, meaning this does not form a linear equation.

**This question involves solving linear equations using gradients, which you may want to revise. I'm always happy to help!

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