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SSSSS [86.1K]
3 years ago
5

Write an equation of the line that passes through (2, 7) and (0, −5) y=

Mathematics
2 answers:
zysi [14]3 years ago
8 0
First, solve for slope.
Formula for slope: \frac{y2-y1}{x2-x1}
Plug in values:\frac{-5-7}{0-2} =  \frac{-12}{-2} = 6
Slope: 6
Second, we must plug into point-slope form. 
Formula for point-slope: y - y1 = m(x-x1)
Plug in the values: y - 7 = 6(x-2)
Solve. 
y - 7 = 6(x-2) 

y - 7 = 6x - 12

Add 7 both sides. 

y = 6x - 5
So the equation is: y = 6x - 5
viva [34]3 years ago
4 0
((-5) - 7) / (0-2) = slope because equation for slope is y2 - y1 / x2 - x1. Then the y-intercept is already given. So slope is -12/-2 = 6 so, y= mx + b, meaning mx is slope of -6x and b being -5. Therefore the equation is y = -6x - 5. Hope this helps!
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The complete question is;

Below are last week's revenues (in thousands of dollars) for six different Nancy's Noodles locations. 6, 6.8,3.7,8.1,6.6,7

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Step-by-step explanation:

From the question, the 6 revenues in thousands of dollars are;

6, 6.8, 3.7, 8.1, 6.6, 7

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Thus, we have;

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Since the number of terms are 6,then the median term is (6 + 1)/2 = 7/2 = 3.5th term

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Thus, median = (6.6 + 6.8)/2

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Answer:

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Step-by-step explanation:

It is given that,

Miguel made 80 on his Math test. He made 95 in last week's Math test.

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So, there is a percent change of 15.78%.

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