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ikadub [295]
3 years ago
6

Write an equation in point-slope form that has a slope of -1/2 and a y-intercept of -8.

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
6 0
Y1+8= -1/2(x1-0)

Point slope form is y1-y=m(x1-x)

Slope: -1/2
Y-intercept: -8
A point from the line: (0, -8)

adelina 88 [10]3 years ago
4 0

Answer:

y = -1/2x - 8

Step-by-step explanation:

y = mx + b

y = -1/2x - 8

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goldenfox [79]

Answer:

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Answer:

x= 1/20

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multiply by 2x on each side

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divide by -20

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3 years ago
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Ms. Carr's Class Is Selling Magazines To Raise Money For A Field Trip. The Students In The Class Device They Wanted To Make 5.50
FinnZ [79.3K]

Here you are giving only the amount they want to raise (namely profit times number of magazines sold), and here you are also giving Money they want to raise... So clarifying, the money they want to raise, should include the money they will spend on buying the magazines (there is no statement saying they found them, or were given the magazines, so a cost should be involved) 

Now if they are only making the count of "Field trip costs X amount of money, and given we have to make a profit of $5.5, How many must we sell?" then the equation should be n=X/5.5 

Should the story be, how much money must they raise to have a profit of 5.5 on each magazine and still have enough for the field trip, then you have a different equation which varies only in adding the cost of each magazine, either case, M should be defined not as money they need to raise (cause here they will be short on their goal) but Money they must earn. And again, you should rewrite your equation to be: 

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C+p=M/n 

And rewriting the previous they should make: 

n(C+p)=M -----> n(C+5.5)=M <span>m/n = 5.50 </span>
<span>m/n x n = 5.50 x n //// multiply each side by n </span>

<span>m = 5.5n</span>
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3 years ago
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Answer:

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That point is not specifically shown on the graph. It would be (1, 1/6).

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