(A) (–c/a) (B) c/a (C) 0 (D) (–b/a) (B) (c/a) Clarification: As indicated by the inquiry, We have the polynomial, \[ax3\text{ }+\text{ }bx2\text{ }+\text{ }cx\text{ }+\text{ }d\] We realize that,...
The number of polynomials having zeroes as –2 and 5 is
(A) 1 (B) 2 (C) 3 (D) more than 3 (D) more than 3 Clarification: As per the inquiry, The zeroes of the polynomials = - 2 and 5 We realize that the polynomial is of the structure, \[p\left( x...
If the zeroes of the quadratic polynomial x2 + (a + 1) x + b are 2 and –3, then
(A) a = –7, b = –1 (B) a = 5, b = –1 (C) a = 2, b = – 6 (D) a = 0, b = – 6 (D) a = 2, b = – 6 Clarification: As per the inquiry, \[x{}^\text{2}\text{ }+\text{ }\left( a+1 \right)x\text{ }+\text{...
A quadratic polynomial, whose zeroes are –3 and 4, is
(A) x2 – x + 12 (B) x2 + x + 12 (C) (x2/2)-(x/2)-6 (D) 2x2 + 2x –24 (C) \[\left( x2/2 \right)-\text{ }\left( x/2 \right)-\text{ }6\] Clarification: Amount of zeroes, \[\alpha +\text{ }\beta =\text{...
If one of the zeroes of the quadratic polynomial (k–1) x2 + k x + 1 is –3, then the value of k is
(A) 4/3 (B) -4/3 2/3 (D) -2/3 (A) 4/3 Clarification: As indicated by the inquiry, - 3 is one of the zeros of quadratic polynomial \[\left( k-1 \right)x2+kx+1\] Subbing - 3 in the given polynomial,...