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mr Goodwill [35]
3 years ago
14

(-2, 1/2), (1, -2/3) Find the equation of the line​

Mathematics
1 answer:
Luda [366]3 years ago
4 0

9514 1404 393

Answer:

  7x +18y = -5

Step-by-step explanation:

The slope is ...

  m = (y2 -y1)/(x2 -x1)

  m = (-2/3 -1/2)/(1 -(-2)) = (-7/6)/(3) = -7/18

The y-intercept is ...

  b = y -mx

  b = 1/2 -(-7/18)(-2) = 1/2 -7/9 = -5/18

Then the slope-intercept form of the equation is ...

  y = -7/18x -5/18

Multiplying by 18 and adding the opposite of the x-term gives the equation in standard form. The standard form equation is ...

  7x +18y = -5

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timur paid $4.50 to enter the fair. he then bought a pretzel for $1.50 and played a game $1. last he rode a roller coaster for $
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If 3x+y=14, and x and y are positive integers, all of the following could be the value of x+y EXCEPT? This is an sat question an
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8 0
3 years ago
The price of an item yesterday was $60. today, the price rose to $129. Find the percentage increase​
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115% increase.

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8 0
3 years ago
An airplane flies from City 1 at (0, 0) to City 2 at (33, 56) and then to City 3 at (23, 32). What is the total number of miles
uranmaximum [27]

Answer:

The airplane flies 95 miles.

Step-by-step explanation:

  1. First we need to find the distance for the first segment using the formula for distance D=\sqrt{(x_{2}-x_{1})^2 + (y_{2}-y_{1})^2}. Let's say (x_{1},y_{1}) is (0, 0) and (x_{2},y_{2}) is (33, 56). This gets us that the length of this segment is 65 miles.
  2. Next, we need to find the distance for the second segment. Using the same formula for distance  D=\sqrt{(x_{2}-x_{1})^2 + (y_{2}-y_{1})^2}, we can say (x_{1},y_{1}) is now (33, 56) and (x_{2},y_{2}) is now (23, 32). This gets us that the length of this segment is 26 miles.
  3. To get the total distance traveled, add the length of these two segments together (65 miles + 26 miles) to get 91 total miles traveled.
7 0
2 years ago
Read 2 more answers
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