Which of the following lines is parallel to ?
Correct Answer :
Solution :
The correct option is .
To determine which line is parallel to the given line, let us first find the slope of the given line equation:
We can convert this equation into slope-intercept form, which is , where is the slope.
Rearranging the terms:
Thus, the slope of the given line is:
Parallel lines must have the exact same slope. Therefore, any line parallel to must also have a slope of .
Lines of the general form have a slope equal to . For a line to be parallel, the ratio of the coefficients of and must remain equal to .
Now, let us examine the given option:
Converting this line to slope-intercept form:
The slope of this line is also .
Since both lines have the same slope () but different y-intercepts, the line is parallel to .
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