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361. Prove that x² + 6x + 15 has no zero.

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A polynomial of degree n has at the most n zeroes.

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363.

The graph of the polynomial y = ax² + bx + c is shown in Fig. 2.2. Write the value of b² – 4ac.

y = ax²+ bx + c.

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364. Write the polynomial, the product and soon of whose heroes are

negative 9 over 2 space and space minus 3 over 2

respectively.

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365. What is the product of the zeroes of quadratic polynomial 3x² + 11x – 6 ?

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366. Find the number of zeroes of the function, whose graph is given below in Fig.

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367. Find a quadratic polynomial, the sum and product of whose zeroes are 1 and –2 respectively.

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368. Write the degree of the polynomial p(x) = x² – 2x +x³ +8.

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369. Graph of a linear polynomial is a straight line.
If points (1,–1), (2, 1),

open parentheses 3 over 2 comma 0 close parentheses

lie on this graph of polynomial. Write the zero of the polynomial.

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370. Write the degree of the polynomial obtained by adding the two polynomials
p(x)=2x² + 3x – 5 and q(x) = x³ – 2x² + 4.

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