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Katyanochek1 [597]
3 years ago
12

Graph the line with slope -1/3 passing through the point (2,1)

Mathematics
1 answer:
lutik1710 [3]3 years ago
4 0

Answer:

Step-by-step explanation:

y - y1 = m(x - x1)         y1 = 1  x1 = 2     m = -1/3

y - 1 = -1/3(x - 2)

  y  = -x/3 + 2/3

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write an equation that is perpendicular to x - 3y =3 and passes through the point (5,-9) in slope-intercept form.
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Answer:

  y = -3x +6

Step-by-step explanation:

The perpendicular line will have the coefficients of x and y swapped (and one of them negated), and will have a constant appropriate to the point the line needs to go through.

The equation will look like ...

  x -3y = 3 . . . . . . . . . . . . . given line

  3x +y = constant . . . . . . perpendicular line

where "constant" can be found by substituting for x and y.

  3x +y = 3(5) +(-9)

  3x +y = 6 . . . . equation in standard form

To put this in slope-intercept form subtract 3x:

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Answer:

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Step-by-step explanation:

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Since we don't know how much Eric makes per dog, let's let <em>x </em>represent that value. Let's also let <em>y</em> represent our answer.

First, let's consider the two numbers we KNOW will be in the equation. The 56 that Eric made dog sitting and the 168 he made in total on Tuesday. Now, we're going to need to use subtraction and division in this equation.

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Answer:

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