TS EAMCET 5-Aug-2021 Shift 2 Question Paper

Section: Mathematics

Question : 50 of 160

Marks: +1, -0

If ax2+2hxy+by2+2gx+2fy+c = 0 represents a pair of lines, which of the following statements is true?

If the slope of one line is negative of the slope of another line, then h = 0
If the two lines are parallel then 2f(gh+af) = 0
If the two lines intersect at origin then g=f=0 and h2 = ab
The x- coordinate of the point of intersection of the lines is positive when hf−bg>0

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