If one of the zeroes of the quadratic polynomial x2 + 3x + k is 2, then the value of k is

x2 + 3x + K = 0α = 2, β2 × β = –32 + β = –3K = –1 ⇐

Q10 of 40 Page 1

If one of the zeroes of the quadratic polynomial x² + 3x + k is 2, then the value of k is

x² + 3x + K = 0

α = 2, β

2 × β = –3

2 + β = –3

K = –1 ⇐

If the point P(k, 0) divides the line segment joining the points A(2, –2) and B(–7, 4) in the ratio 1 : 2, then the value of k is

The value of p, for which the points A(3,1), B(5, p) and C(7, —5) are collinear, is

ABC is an equilateral triangle of side 2a, then length of one of its altitude is____.

In Fig. 1, ΔABC is circumscribing a circle, the length of BC is____cm.