Fill in the blanks

Point-slope form of the equation of a straight line is ________? Equation of a line with x-intercept ‘a’ and y intercept ‘b’ is ________? The equation x cos a + y sin a = p represents ________? of a straight line? A quadrilateral having two parallel and two non-parallel sides is called ________? When two lines l1 and l2 having slopes m1, m2 respectively are parallel then ________? A general second degree homogeneous equation can be written as ________? Equation of a straight line perpendicular to y-axis at (0,a) is y = a? Equation of a straight line parallel to y-axis at a distance ‘b’ from it is y = b? If a=0 in equation y=a, then line l becomes x-axis and the equation of x-axis is?

If a line intersects x-axis at (a,0) then a is called y-intercept of the line? Equation of a straight line with slope m and y-intercept c is y = mx + c? x-x1/cosa = y – y1/sin a = r is symmetric form of equation of a straight line? The centroid of a D ABC is a point which divides each median in the ratio 2? 1? A linear equation ax + by + c = 0 in two variables x and y has its matrix form Equation of the line passing through (8,-3) having slope 0 is? Distance between the two parallel lines 2x + y + 2 = 0 and 6x + 3y –8 = 0 is? Distance between the two given points A(3,1), B(-2,-4) is? An equation of st? line with slope 2 and y-intercept 5 is?