tommyli8321 tommyli8321

25-08-2020
Mathematics

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Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,2), and is parallel to the graph of x + 3y = -5.

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sqdancefan sqdancefan

25-08-2020

Answer:

2

Step-by-step explanation:

The parallel line will have the same coefficients, but a constant suited to the given point:

x + 3y = constant

That is, A=1, B=3, so B-A = 2.

___

The constant for the parallel line will be -1.

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