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—e—__—_, , While playing in garden, Sahiba saw a honeycomb and asked her mother what is that. She replied that it's a, honeycomb made by honcy bees to store honey. Also, she told her that the shape of the honeycomb formed ts, parabolic, The mathematical representation of the honeycomb structure ts shown in the graph., , ’, , , , }, ol) ono /, , , , _s Rb pp eg ge—}—e «, Va ys, \ ; /, Se, sor, t, ad, Based on the abowe information, answer the following questions, ()) Graph of a quadratic polynomial is in shape, (a) straight line (b) parabolic, (c) circular (d) None of these, (i) The expression of the polynomial represented by the graph is, (a) 49 (b) x 64 i) *-% (d) x 81, (it) Find the value of the polynomial represented by the graph when x © 6, (a) -2 (b) -1 (<) 0 (d) 1, (iv) The sum of zeroes of the polynomial x° + 2x ~ 3 is, (a) -1 (b) -2 ic) 2 (d) 1, (¥) Uf the sum of zeroes of polynomial af’ + St + 3a ts equal to their product, then find the value of a, (a) -S ) « as, 5 5, , a
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just before the morning assembly a teacher of kindergarten school observes some clouds in the sky and so, she cancels the assembly. She also observes that the clouds has a shape of the polynomial. The mathematical, , representation of a cloud ts shown in the figure, , , , (i) Pind the zeroes of the polynomial represented by the graph., (a) -1/2,772 &) 1/2,-72 () -12,-72 (d) 172,772, , (ii) What will be the expression for the polynomial represented by the graph?, (a) pix) «12 ~ 44-7) ) pix) = - eed (ple) ae + 12 +7 ) pie) = 4 ~ 127, (itt) What will be the value of polynomial represented by the graph. when x « 31, (a) 65 () 65 (c) 8 (), (iv) If and B are the zeroes of the polynomial fix) « x° + 2x ~ 8 then a + Bt «, (a) 262 () 252 () 272 (d) 282, (v) Find a quadratic polynomial where sum and product of its zeroes are 07 respectively, (a) kt +7) (») atx? - JF) © e+) (d) none of these
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<—, , Pankaj’s father gave him some money to buy avocado from the market at the, rate of px) = x? ~ 24x + 128. Let a, B are the zeroes of px), Based on the above information, answer the following questions., , (Pind the value of a and 8, where a « B., , (a) -& -16 (b) 816 () &15, (il) Find the value of a +B + of., , (a) 151 (b) 158 (e) 182, (Uli) The value of p(2) ts, , (a) 80 (b) 81 (©) 8, (iv) Wand 8 are zeroes of? + x2. then 47 =, , (@) 2 () 3 () 4, , (¥) If sum of zeroes of g(x) = kx’ + 2x + M is equal to their product, then k =, (a) 23 ® (c) -3, , , , (d) 4,9, , (d) 155, , (d) 4, , (d) 5, , (d) -/3