Basic Mathematics-Algebra (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math): Questions 16 - 17 of 17

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Question number: 16

» Basic Mathematics » Algebra » Solutions to Equations

MCQ▾

Question

Roots of equation: are –

Choices

Choice (4) Response

a.

-7, -6

b.

-5,3

c.

-7, -4

d.

7,6

Question number: 17

» Basic Mathematics » Algebra » Simplifying Expressions

MCQ▾

Question

Let be non-zero real numbers. Which of the following statements about the quadratic equation is necessarily true?

(i) It has at least one negative 1

(ii) It has at least one positive 1

(iii) Both roots are negative

(iv) Both roots are positive (Model paper)

Choices

Choice (4) Response

a.

(i) and (iv) only

b.

(i) only

c.

(i) and (ii) only

d.

(ii) and (iii) only

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