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Bond [772]
3 years ago
11

Determine the y-intercept of the linear

Mathematics
2 answers:
34kurt3 years ago
8 0
The answer will be 0.
because it's real anwer will be -4
Anna [14]3 years ago
7 0

Answer:

The y-intercept is 0

Step-by-step explanation:

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Step-by-step explanation:

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The sum of three numbers is 26. Twice the first minus the second is the third less 2. The third is the second minus 3 times the
Agata [3.3K]

Let a, b, c represent the three numbers. The problem statement gives rise to three equations:

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  • 2a -b = c -2
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Adding the first two equations gives

... (a +b +c) +(2a -b) = (26) +(c -2)

... 3a +c = 24 +c . . . . . simplify

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... a = 8 . . . . . . . . . . . . divide by 3

Adding the second and third equations gives ...

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... -a = 2c -2 . . . . simplify

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Using the third equation we can find b.

... -3·8 +b = -3 . . . . substitute for a and c

... b = 21 . . . . . . . . .add 24

The numbers are 8, 21, -3.

_____

The method above is sort of "ad hoc", taking advantage of the numbers in this particular set of equations. You can use more formal methods of Gaussian elimination or Cramer's Rule to solve these by just following a procedure. Or, your graphing calculator can do it for you.

6 0
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gregori [183]

Answer:

.9

Step-by-step explanation:

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