Question Details

Which of the following lines is parallel to 4x3y=7?

Options

A

4x3y=5

B

3x4y=7

C

4x+3y=7

D

2x3y=5

Show Answer

Correct Answer :

Option A

4x3y=5

Solution :

The correct option is 4x3y=5.


To determine which line is parallel to the given line, let us first find the slope of the given line equation:

4x3y=7


We can convert this equation into slope-intercept form, which is y=mx+c, where m is the slope.


Rearranging the terms:

3y=4x7

y=43x73


Thus, the slope of the given line is:

m=43


Parallel lines must have the exact same slope. Therefore, any line parallel to 4x3y=7 must also have a slope of 43.


Lines of the general form Ax+By=C have a slope equal to AB. For a line to be parallel, the ratio of the coefficients of x and y must remain equal to 4x3y.


Now, let us examine the given option:

4x3y=5


Converting this line to slope-intercept form:

3y=4x5

y=43x53


The slope of this line is also m=43.


Since both lines have the same slope (m=43) but different y-intercepts, the line 4x3y=5 is parallel to 4x3y=7.

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