Plot the following points in the coordinate system and identify the quadrants `P (-7,6), Q (7,-2), R (-6,-7) S(3,5) and T(3,9)`.

(5,7) is a point in the IV quadrant .

Find the coordinates of the circumcentre of PQR if P(2,7), Q(-5,8) and R(-6,1).

The point (-2,7) lies is the quadrant .

Verifgy that the following points taken in order form the vertices of a rhombus. A(3,-2),B(7,6),C(-1,2) and D(-5,-6)

Show that the following points taken in orhder to form vertices of a parallelogram. A(-3,1),B(-6,-7),C(3,-9)andD(6,-1)

In what ratio does the point Q(1,6) divide the line segment joining the points P(2,7) and R(-2,3).

Find the coordinates of the midpoint of segment QR, if Q(2.5,-4.3)and R(-1.5,2.7)

Tangent to the curve y=x^2+6 at a point (1,7) touches the circle x^2+y^2+16x+12y+c=0 at a point Q , then the coordinates of Q are (A) (-6,-11) (B) (-9,-13) (C) (-10,-15) (D) (-6,-7)

Add the following polynomials and find the degree of the resultant polynomial. (i) p(x) = 6x^(2) - 7x+2" " q(x) = 6x^(3) - 7x+15