Math Chapter Wise question with answer

Q01 For what value of a, the equation axy–8x+9y– 12 = 0 represents a pair of straight lines? English · DSSSB PGT 2021 Q02 If the pair of straight lines xy–x–y+1 = 0 and the line ax+2y–3 = 0 are concurrent, then a = English · KVS TGT 2017 Q03 The equation of a straight line which passes through the intersection point of the lines 3x – 4y + 1 = 0 and 5x + y... English · UKPSC GIC 2018 Q04 Consider the following statements: S1: The equation ax2 + 2hxy + by2 + 2gx + 2fy + c = 0 represents a pair of strai... English · Haryana PGT 2018 Q05 If the equation 3x2 + 7xy + 2y2 + 5x + 5y + k = 0 represents a pair of straight lines, then the value of k is English · UP TGT-2016 (08-03-2019) Q06 The angle between the straight lines represented by the equation y2 – xy – 6x2 = 0 is English · UP TGT-2016 (08-03-2019)