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kykrilka [37]
3 years ago
9

The expression

6" alt="x {?}^{2} - 16" align="absmiddle" class="latex-formula">
is equivalent to
Mathematics
1 answer:
skad [1K]3 years ago
5 0
Hi Mpmolina, 

x² - 16
= (x)² - (4)²
= (x - 4)(x + 4)
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Explanation:

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To get the constant of proportionality k, we divide y over x

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k = 36/2 = 18 .... from row 1

k = 54/3 = 18 ... from row 2

k = 90/5 = 18 .... from row 3

This k = 18 value means that each time x goes up by 1, the value of y goes up by 18. This is the slope of the line y = 18x, so it represents the rate of change.

Put another way: 1 pack of yogurt is 18 ounces

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