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Mamont248 [21]
3 years ago
10

Equation of a line...please help??

Mathematics
1 answer:
mezya [45]3 years ago
8 0
The equation of a line is y=mx+b
To find the gradient you calculate the change in Y/change in X.
To find the y-intercept you should plug it in a graphic calculator. 

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ANSWER ASAP
Brums [2.3K]

Answer:

  • y = 2x + 3
  • y = -6x
  • y = -x + 2
  • y = 2x - 7

Step-by-step explanation:

<u>Slope-intercept form:</u>

  • y = mx + b

<em>Hint. if we have x = 0, then the y-coordinate is the same as b</em>

<u>Slope</u>

  • m = (y2 - y1)/(x2-x1)

33.

  • m = (9 -(-3))/(3 - (-3)) = 12/6 = 2
  • b = 3 as per table (0, 3)
  • y = 2x + 3

34.

  • m = (0-12)/(0 - (-2)) = -12/2 = -6
  • b = 0, as per table (0, 0)
  • y = -6x

35.

  • m = (2 - (-2))/(0 - 4) = 4/-4 = -1
  • b = 2, as per table (0, 2)
  • y = -x + 2

36.

  • m = (-5 - (-1))/ (1 -3) = -4/-2 = 2

Using point (3, -1)

  • -1 = 2*3 + b
  • b= -1 - 6= - 7
  • y = 2x - 7

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3 years ago
Express the decimal: 0.60 as a fraction
Nezavi [6.7K]

Answer:

3/5

Step-by-step explanation:

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Answer:

D is the answer because 4 goes into all of them.

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Find the mean of the data: 14, 9, 2, 13, 16, 3, 13, 10
svp [43]
<span>14+ 9 + 2+ 13+ 16+3+ 13+ 10 = 80
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answer
mean = 10

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4688

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