Questions by Arun

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Classify the following polynomials as monomials, binomials, trinomials. Whichpolynomials do not fit in any of these three categories?`x + y, 1000, x + x^2 + x^3 + x^4, 7 + y + 5x, 2y – 3y^2, 2y – 3y^2 + 4y^3, 5x – 4y + 3xy, 4z – 15z^2, ab + bc + cd + da, pqr, p^2q + pq^2, 2p +

asked Jan 17, 2022 in 8th-maths

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Obtain the product of `2, 4y, 8y^2,

asked Jan 17, 2022 in 8th-maths

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Simplify the expressions and evaluate them as directed: x (x – 3) + 2 for x = 1,

asked Jan 17, 2022 in 8th-maths

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Using the Identity (I), find `(2x +

asked Jan 17, 2022 in 8th-maths

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Use the identity `(x + a) (x + b) = x^2 + (a + b) x + ab` to find the following products. (x + 3) (x + 7)

asked Jan 17, 2022 in 8th-maths

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Find the following squares by using the identities.

asked Jan 17, 2022 in 8th-maths

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Find the following squares by using the identities. `(0.4p –

asked Jan 17, 2022 in 8th-maths

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Find the following squares by using the identities. `(2xy +

asked Jan 17, 2022 in 8th-maths

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Simplify. `(2x + 5)^2 – (2x –

asked Jan 17, 2022 in 8th-maths

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Simplify. `(7m – 8n)^2 + (7m +

asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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Using identities, evaluate.

asked Jan 17, 2022 in 8th-maths

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Using `(x + a) (x + b) = x^2 + (a + b) x + ab`, find `103 xx 104`

asked Jan 17, 2022 in 8th-maths

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For each of the given solid, the three views are given. Identify for each solid the corresponding top, front and side views.

asked Jan 17, 2022 in 8th-maths

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For each given solid, identify the top view, front view and side view. #fig (i) (ii)

asked Jan 17, 2022 in 8th-maths

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Can a polyhedron have for its faces 3 triangles?

asked Jan 17, 2022 in 8th-maths

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Can a polyhedron have for its faces a square and four

asked Jan 17, 2022 in 8th-maths

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(i) How are prisms and cylinders

asked Jan 17, 2022 in 8th-maths

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The shape of a garden is rectangular in the middle and semi circular at the ends as shown in the diagram. Find the area and the perimeter of this garden [Length of rectangle is 20 – (3.5 + 3.5) metres].

asked Jan 17, 2022 in 8th-maths

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The shape of the top surface of a table is a trapezium. Find its area if its parallel sides are 1 m and 1.2 m and perpendicular distance between them is 0.8 m.

asked Jan 17, 2022 in 8th-maths

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