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401. Check whether the polynomial x² + 4x + 5 has zeroes. If yes, find zeroes of the polynomial.

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402. Check Which one of 2 and -2 is zero of the polynomial x² – 5x + 6 ?

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403. Find the point at x-axis on which linear equation y = 5x + 4 intersects.

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404. Find the point at x-axis on which linear equation y = 3x + 6 intersects.

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Solution not provided.
Ans. (i) The curve (graph) is always a parabola
(ii) The number of zeroes is almost 2.

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406. Write the nature of the graph for a linear polynomial at type ax + b, a ≠ 0.

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407. Find the number of zeroes in the following linear polynomial of graphically.
2x – 7

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408. Represent the zeroes of the quadratic polynomial x² – 8x +12 graphically.

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409. Find the number of zeroes in the following cubic polynomials graphically.
x³ – 9x.

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410. Find the number of zeroes in the following polynomial.
y = x³.

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