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andrezito [222]
3 years ago
13

What equation has the solution of -5 and 7

Mathematics
1 answer:
Sergio [31]3 years ago
7 0

Answer:

x-2x-35

Step-by-step explanation:

-5 and 7

x=-5

x=7

x+5=0

x-7=0

Put them in bracket.

(x+5)(x-7)

Expanding the bracket

x(x-7)+5(x-7)

x-7x+5x-35

x-2x-35

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A line goes through the origin and the point (6, 14). The point (2, y) is also on the line. Calculate y and justify that your va
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Answer:

Step-by-step explanation:

The key here is knowing that the equation of the line that passes through these points is same

Thus having (6,14) and (0,0), the slope is as follows;

m = y2-y1/x2-x1 = 0-14/0-6 = -14/-6 = 7/3

Now we can use this slope here to get the value of y in the question

All we need to do is tie write the equation of the line for between the points (6,14) and (2,y)

That would be;

7/3 = y-14/1-6

7/3 = y-14/-5

cross multiply;

-35 = 3(y-14)

-35 = -3y + 42

-3y = -35-42

-3y= -77

y = -77/3

y = 77/3

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Step-by-step explanation:

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3 years ago
The line passing through which two points is parallel to the line x - 2y = 16?
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Answer:

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Step-by-step explanation:

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