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Sophie [7]
3 years ago
10

Write an Equation of the perpendicular bisector of the segment with endpoints Q(-2,0) and R(6,12).

Mathematics
1 answer:
iVinArrow [24]3 years ago
3 0

The equation of perpendicular bisector of QR is:

y = -\frac{2}{3}x+\frac{22}{3}

Step-by-step explanation:

Given points are:

Q(-2,0)\ and\ R(6,12)

First of all, we have to find the slope of the given line

So,

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

Here

(x1,y1) = (-2,0)

(x2,y2) = (6,12)

Let m1 be the slope of QR:

Then

m_1 = \frac{12-0}{6+2}\\= \frac{12}{8}\\= \frac{3}{2}

Let m2 be the slope of perpendicular bisector

We know that the product of slopes of two perpendicular lines is -1

m_1.m_2 = -1\\\frac{3}{2}.m_2 = -1\\m_2 = -1 * \frac{2}{3}\\m_2 = -\frac{2}{3}

The bisector will pass through the mid-point of QR

M = (\frac{x_1+x_2}{2} , \frac{y_1+y_2}{2})\\M = (\frac{-2+6}{2}, \frac{0+12}{2})\\M = (\frac{4}{2}, \frac{12}{2})\\M = (2,6)

Slope-intercept form of equation is:

y = m_2x+b

Putting the value of slope

y = -\frac{2}{3}x+b

Putting (2,6) in the equation

6 = -\frac{2}{3}(2)+b\\6 = -\frac{4}{3}+b\\b = 6+\frac{4}{3}\\b = \frac{18+4}{3}\\b = \frac{22}{3}

So,

y = -\frac{2}{3}x+\frac{22}{3}

Hence,

The equation of perpendicular bisector of QR is:

y = -\frac{2}{3}x+\frac{22}{3}

Keywords: Mid-point, equation of line

Learn more about equation of line at:

  • brainly.com/question/774670
  • brainly.com/question/763150

#LearnwithBrainly

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Watch help Video
Alexus [3.1K]

Answer: 5y − 1 + y^{2}

Step-by-step explanation:

Hey there! I will give the following steps, if you have any questions feel free to ask me in the comments below. Thank you!

<u>Step 1:</u><u> </u><u><em>Collect like terms.</em></u>

(3y + 2y) + (6 − 3 − 4) + (-6y^{2} + 7y^{2})

<u>Step 2: </u><u><em>Simplify.</em></u>

5y − 1 + y^{2}

~I hope I helped you! :) Good luck!~

6 0
3 years ago
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Snezhnost [94]
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rise=4m
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Given the relation y = -4x2 -8 if the input is 2 what is the output 8 -8 -16 -24
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Read 2 more answers
Each answer choice below represents a relation by a set of ordered pairs. In which of the answer choices is the relation a funct
alexdok [17]

Answer:

A - Not Function

B - Function

C - Function

D - Not Function

E - Function

Step-by-step explanation:

For a relation to be a function, each value of input should have exactly one output. Which means that for one value of x, there should only one value of y. If the relation has repetition of x in its ordered pairs, it means that for one value of x, there are two or more values of y, hence the relation is not a function

(Consult the diagram below)

<h3>A - {(6,12),(3,1),(−1,13),(6,4)} </h3>

As x = 6 is being repeat, it means that x=6 has two values of y that are 12 and 4. IT IS NOT A FUNCTION.

<h3>B - {(−1,−2),(−4,−4),(0,−5),(7,−5)} </h3>

No repetition of x, IT IS A FUNCTION.

<h3 /><h3>C - {(−5,1),(4,10),(5,10),(6,7)} </h3>

No repetition of x, IT IS A FUNCTION.

<h3 /><h3>D - {(−1,4),(1,6),(−1,−2),(0,7)} </h3>

As x = -1 is being repeat, it means that x=-1 has two values of y that are 4 and -2. IT IS NOT A FUNCTION.

<h3>E - {(−2,8),(2,1),(−4,8),(7,9)}</h3>

No repetition of x, IT IS A FUNCTION.

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cricket20 [7]
An odd number ends in 1, 3, 5, 7, or 9.
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