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Mekhanik [1.2K]
3 years ago
6

What is the slope of the linear function represented in the table, (-7,0) (0,1)

Mathematics
1 answer:
professor190 [17]3 years ago
3 0

Answer:

m= 1/7

Step-by-step explanation:

m= y2-y1 / x2-x1

m= 1_0 / 0+7

m= 1 / 7

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Answer:

The homework  grade, to the nearest integer, for a student with a test grade of 68 is 69.

Step-by-step explanation:

The general form of the linear regression equation is:

y=a+bx

Here,

<em>y</em> = dependent variable = test grade

<em>x</em> = independent variable = homework grade

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a=\frac{\sum Y\cdot \sum X^{2}-\sum X\cdot\sum XY}{n\cdot \sum X^{2}-(\sum X)^{2}}\\\\=\frac{(592\times 44909)-(591\times45227)}{(8\times44909)-(591)^{2}}\\\\=-14.316                b=\frac{n\cdot \sum XY-\sum X\cdot\sum Y}{n\cdot \sum X^{2}-(\sum X)^{2}}\\\\=\frac{(8\times 45227)-(591\592)}{(8\times44909)-(591)^{2}}\\\\=1.195

The linear regression equation that represents the set of data is:

y=-14.316+1.195x

Compute the value of <em>x</em> for <em>y</em> = 68 as follows:

y=-14.316+1.195x

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Thus, the homework  grade, to the nearest integer, for a student with a test grade of 68 is 69.

8 0
3 years ago
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