Mathematics: For which values of A, B, and C will Ax + By = C be a vertical line through the point (7, 4)? A. A = 1, B = 0, C = 4 B. A = 0, B = 1, C = 4 C. A = 0, B = 1, C = 7 D. A = 1, B = 0, C = 7

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For which values of A, B, and C will Ax + By = C

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17.09.2021

Step-by-step explanation:

Let's take 7,4 as x and y respectively.

Substituting it into the formula,

We have

A(7)+B(4)=C

Checking the possible answers,

A. becomes like this

1(7)+0(4)=4

7+0=4 which is wrong.

Taking B

0(7)+1(4)=4

0+4=4 which is correct therefore we go for B.

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