(21, 0)
(0, 12)
(1, 2)
(3, 4)
(4, 5)
Correct answer is B
Equal roots implies b2 - 4ac = 0
a = 1b = - (p - 2), c = 2p + 1
[-(p - 2)]2 - 4 x 1 x (2p + 1) = 0
p2 - 4p + 4 - 4(2p + 1) = 0
p2 - 4p = 4 - 8p - 4 = 0
p2 - 12p = 0
p(p - 12) = 0
p = 0 or 12
X is due east point of y on a coast. Z is another point on the coast but 6.0km due south of Y. ...
Divide: a3x−26a2x+156ax−216 by a2x−24ax+108. ...
By how much is the mean of 30, 56, 31, 55, 43 and 44 less than the median? ...
If √72+√32−3√18=x√8, Find the value of x...
The gradient of the straight line joining the points P(5, -7) and Q(-2, -3) is ...