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oksian1 [2.3K]
2 years ago
15

What is the slope of the line that contains the points (4,3) and (2, 7)? A. - 5 B. 2 C. -2 O D. -5​

Mathematics
1 answer:
Sindrei [870]2 years ago
7 0

Answer:

C. -2

Step-by-step explanation:

hope that helps! :)

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5

Step-by-step explanation:

1. Add -8 to -12. This equals -20.

2. Now you have -20/(-4)

3. Solve this by dividing -20 and -4.

4. Two negatives make a positive, so your answer would be 5.

Hope this helps

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2 years ago
The line CD passes through the points C (2, -1) and D (1, 1). Which of the
inn [45]

Answer:

<em>The equation of the straight line in point - slope form</em>

<em>y +1 = -2 ( x-2)</em>

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given points are C( 2,-1) and D(1,1)

Slope of the line

     m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  } = \frac{1-(-1)}{1-2} = \frac{2}{-1} = -2

   m = -2

<u>Step(ii):-</u>

Equation of the straight line passing through the point ( 2,-1) and having slope

m =-2

y - y₁ = m ( x- x₁)

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

y +1 = -2 ( x-2)

<u><em>Final answer:-</em></u>

<em>The equation of the straight line</em>

<em>y +1 = -2 ( x-2)</em>

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2 years ago
david has 212 feet of chain link fencing that he used to make a rectangular garden space in his backyard. the lengthof the garde
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Answer:

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Step-by-step explanation:

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