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zaharov [31]
2 years ago
8

Please help and explain.

Mathematics
2 answers:
Alexandra [31]2 years ago
6 0

Answer:

-1/3

Step-by-step explanation:

Use the formula, (y2 - y1)/(x2 - x1).  In this case, there is a negative slope.  

Start from point, (1, 9) and go to point (4, 8).  

Use the formula:

(y2 - y1)/(x2 - x1)

Y2 = 8

Y1 = 4

X2 = 9

X1 = 1

(8 - 9)/(4 - 1) = -1/3

Therefore, the slope is -1/3

tino4ka555 [31]2 years ago
4 0

Answer:

-(1/3)

Step-by-step explanation:

The answer is negative 1/3. Slope is the change in y divided by the change in x. Given two points, (4,8) and (7,7), the slope is negative 1/3

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Find the co-ordinates of the point of trisection of the line joining the points A(1,8) and B(4,2).
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<u>coordinates of the point are (2,6) and (3,4)</u>

Answer:

Solution given:

let the given point be A(1,8) and B(4,2).

P and Q are the two points on AB such that

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now

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ratio of AP and PB =\frac{1k}{2k}= ratio 1:2

now

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for this

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similarly

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(a,b)=(\frac{m_1x_2+m_2x_1}{m_1+m2},\frac{m_1y_2+m_2y_1}{m_1+m2})

=(\frac{2*4+1*1}{2+1},\frac{2*2+1*8}{2+1})=(3,4)

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