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tino4ka555 [31]
3 years ago
11

What is the equation, in slope-intercept form, of the perpendicular bisector of the given line segment?

Mathematics
2 answers:
frosja888 [35]3 years ago
7 0

Complete Question:

The given line segment has a midpoint at (3, 1). On a coordinate plane, a line goes through (2, 4), (3, 1), and (4, -2).

What is the equation, in slope-intercept form, of the perpendicular bisector of the given line segment?

Answer:

y = \frac{1}{3}x

Step-by-step explanation:

From the question, we understand that the line goes through (2, 4), (3, 1), and\ (4, -2).

First, we calculate the slope of the above points

m = \frac{y_2 - y_1}{x_2 - x_1}

Where

(x_1,y_1) = (2,4)

(x_2,y_2) = (3,1)

m = \frac{1 - 4}{3 - 2}

m = \frac{-3}{1}

m = -3

Also; from the question, we understand that the line segment is perpendicular to the above points.

This slope (m2) of the line segment is calculated as:

m_2 = -\frac{1}{m}

Substitute -3 for m

m_2 = -\frac{1}{-3}

m_2 = \frac{1}{3}

Lastly, we calculate the equation of the line using:

y - y_1 = m_2(x - x_1)

The line segment has a midpoint at (3, 1)

So:

y - 1 = \frac{1}{3}(x - 3)

Open bracket

y - 1 = \frac{1}{3}x - 1

Add 1 to both sides

y - 1 +1= \frac{1}{3}x - 1+1

y = \frac{1}{3}x

Hence, the equation of the line segment is: y = \frac{1}{3}x

FinnZ [79.3K]3 years ago
5 0

Answer:

A. y = One-thirdx

Step-by-step explanation:

2020 Edge

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Pls help! 50 POINTS!
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Answer:

See below.

Step-by-step explanation:

1)

So we have the equation:

2x+3y=1470

To change into the slope-intercept form, we need to isolate the y-variable. Thus, subtract 2x from both sides:

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The slope-intercept form is:

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2)

So, since we already know the y-intercept is 490, plot a point at (0,490).

The slope is too small to use. Thus, multiply the fraction by 100. It is now (-200/300). This means that we move <em>down</em> 200 for every 300 (recall that the slope means rise over run. Thus, we move down 200 for every 300 to the right). Thus, another possible point would be (0+300,490-200) or (300,290). Plot that. Then, connect them.

3)

To write in in function notation, simply substitute the y-variable for the function notation. Our independent variable here is x so we'll use that.

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This means that for every x sandwiches made, there is f(x) wraps made for the total sum to be $1,470.

For example, if 105 sandwiches were made, then f(105)=-2/3(105)+490=420 wraps were made for the total profit to be $1,470.

4)

Please refer to the attached graph.

5)

First, since the total profit has now increased, the graph above and to the right of the old graph. This is because Sal needs to sell more sandwiches and wraps. Likewise, because of this, the x- and y-intercepts will also be different. Nevertheless, if converted into the slope-intercept equation, the slope will remain the same.

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