I think it doesn't make sense. A quadratic equation with roots -3 and 1 would have 0 at their ordinates instead of 9 and 1 like what was asked in the question.
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Now ADD them and MULTIPLY them to get SUM and PRODUCT respectively...
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2.The expressions with HCF & LCM as 4xy^2 & 8x^3y^5 is
A) 4x^2y^5 & 8x^3y^2 B) 4xy^5 & 8x^3y^2 C) 4x^2y^5 & 8xy^2 D) 4y^5 & 8y^2
3.Quadratic equation with roots ( 3 + or - root 2 ) is
A) x^2 + 6x 7 = 0 B) x^2 6x + 7 =0 C) x^2 + 6x 7 = 0 D) x^2 6x 7 = 0
4.In a graph , straight line intersects the parabola at(3,9) & (1, 1) Then the equation is
A) x^22x+3=0 B) x^2+2x3=0 C) x^23x+2=0 D) x^22x3=0
5.Relation between a cone and a cylinder with same radius and height is
A) cone = cylinder B) 3 cone = cylinder C) cone =3 cylinder D) All the above
6.The lateral surface area of a roller is 5sqm. Find the number of revolutions that it does
to cover a feild of 1000 sqm
A) 100 B) 200 C) 50 D) 500
please explain along with the answer
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