Question

A builder wants to build a sump to store water in an apartment. The volume of the cuboidal sump is given as P(x)= (x3 + x2 -4x-4) cubic meter.


(i) The degree of the polynomial P(x) is
(a) 4 (b)6 (c)3 (d)8
(ii) If x=4 meter, what is the volume of the sump?
(a) 30m3 (b) 20m3 (c)15m3 (d) 60m3
(iii) Which of the following cannot be the zero of the polynomial P(x)?
(a)x = -1 (b) x = 2 (c) x = -2 (d)x = 1
(iv) If the expression for the height of the sump is (x-2) meter, which of the following can be its base area?
(a) (x2+3x+2) m2 (b) (x2+5x+6) m2
(c) (2x2+5x+2) m2 (d) (3x2+3x+2) m2
(v) The expression for its length and width
(a) (x+3) and (x-2)
(b) (b) (2x+3) and (x+2)
(c) (x+1) and (x+2)
(d) (x-1) and (x+2)

Answer 1

Answer

638

Explain

2682