Goa Board (GBSHSE) - Class 9

Number Systems, Coordinate Geometry & Calculus Basics question bank (Mathematics (Class 9))

Practice 527 free Goa Board (GBSHSE) - Class 9 Mathematics (Class 9) - Number Systems, Coordinate Geometry & Calculus Basics questions with answers and step-by-step solutions.

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Q1.

Goa SSC Mathematics: What is the fundamental concept underlying 'Real Numbers, Irrational Numbers and Laws of Radicals'?

(A)
Rigorous mathematical theorem and algorithmic formulation (Real Numbers, Irrational Numbers and Laws of Radicals)
(B)
Empirical conjecture without proof
(C)
Division by zero
(D)
None of these
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Q2.

Quadratic Equations & Roots: For a quadratic equation $ax^2 + bx + c = 0$ linked with 'Real Numbers, Irrational Numbers and Laws of Radicals', real and distinct roots exist when:

(A)
Discriminant $D = b^2 - 4ac > 0$ (Real Numbers, Irrational Numbers and Laws of Radicals)
(B)
$D < 0$
(C)
$b^2 - 4ac = -1$
(D)
None of these
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