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Tresset [83]
3 years ago
13

The given line segment has a midpoint at (−1, −2).

Mathematics
2 answers:
Hunter-Best [27]3 years ago
8 0

Answer:

y = -4(x) - 6

Step-by-step explanation:

For anyone looking for a simple answer.

N76 [4]3 years ago
4 0

Answer:

The equation of the perpendicular line is y = −4(x) − 6

Step-by-step explanation:

Given:

Three coordinates points (in pair).

Lets choose two points,in (x,y) format.

Where

(x,y) = (-5,-3) and (x_1,y_1) = (3,-1)

From these points we will find the slope using point-slope formula.

That is :

(y_1-y)=m(x_1-x)

m=\frac{(y_1-y)}{(x_1-x)}

Plugging the values:

m=\frac{-1+3}{3+5}=\frac{1}{4}

Now we know that product of slope of two perpendicular lines = -1.

So the slope of the line which is perpendicular (m_1) .

m_1=\frac{-1}{m}

m_1=\frac{-1}{\frac{1}{4} } =-1\times \frac{4}{1} =-4

Now using this slope we will plug the midpoint (-1,-2) values in point-slope form and reduced it to slope intercept.

y-(-2)=-4(x+1)

y+2=-4x-4

y=-4x-4-2

y=-4x-6

So the equation of the perpendicular bisector is y = -4(x) - 6

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3 years ago
Find the slope of the line passing through each of the following pairs of points.
BARSIC [14]

Look carefully at the first pair:  (−3, 9), (−3, −5)  Note that x does not change, tho' y does.  This is how we recognize a vertical line (whose slope is undefined).  The equation of this vertical line is x = -3.

Looking at the second pair:  from (3,4) to (5,6), x increases by 2 and y by 2; thus, the slope is m = rise/run = 2/2 = 1.

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3 years ago
Solve for the value of m.<br> 38°<br> (8m+4)°
Neporo4naja [7]

Answer:

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General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Equality Properties
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<u>Geometry</u>

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Step-by-step explanation:

<u>Step 1: Set Up Equation</u>

<em>The 2 angles must add up to 90°.</em>

(8m + 4)° + 38° = 90°

<u>Step 2: Solve for </u><em><u>m</u></em>

  1. Combine like terms:                    8m + 42 = 90
  2. Isolate <em>m</em> term:                             8m = 48
  3. Isolate <em>m</em>:                                      m = 6
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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