Find the relation between a, b and c if one root of the equation ax² + bx + c = 0 is three times the other.
Question
Edson
Find the value of k so that the equation 4x² – 8x + k = 0 shall have equal roots.
Question
Edson
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Mathematics
Question
Edson
Two numbers are such that the first number plus thrice the second number the answer is 7 and the first number minus thrice the second number the answer is 1. What are the two numbers?
Mathematics
Question
Edson
(a) Evaluate (985 - 530) + 45 - 20 × 5 + 10
(b) Express 0.83 as a fraction
(c) Given that x + y = 8, x² + y² = 40, Find the value of xy
Mathematics
Question
Edson
The sum of interior angles of a regular polygon is 1440°. Find the number of its sides.
Mathematics
Question
Edson
Given that 3tanB = 4. Find the value of
(a) cos B
(b) 3tanB + 5sinB
Mathematics
Question
Edson
If P*Q = (P-Q) / PQ, Evaluate (3*2) * (5*4)
Mathematics
Question
Edson
(a) Sets A and B are defined as follows:
A = {1,2,3,4,4,5,6}
B = {3,5,7}
find : (i) A∩B
(ii) A∪B
(b) If n(E) = 40, n(K) = 60, n(E∩K) = 20, find n(E∪)
Mathematics
Question
Edson
(a) Without using tables find the value of M
if √2(cos45 + sin45) = M
(b) A ladder leans against a vertical wall and makes an angle of 60° with the wall. If the highest point is 4m from the ground, find ...
Mathematics
Question
Edson
Draw the graph of y = x² -2x - 3 = 0, where x:2 ≤ x ≤ 4
Use the graph to solve
(i) x² - 2x - 3 = 0
(ii) x² - 2x + 1 = 0