Recent questions tagged class8

The given data is the mark obtained by 25 students in a class test . $74,64,70,31,41,53,61,64,70,56,28,88,53,56,31,53,64,56,32,53,56,61,53,74,33$ Find the mean marks ?

asked Aug 18, 2015 by meena.p

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Factorize : $x^4+4x^2 +3$

asked Aug 18, 2015 by meena.p

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Factorize : $x^2+y-xy-x$

asked Aug 18, 2015 by meena.p

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Factorize : $6ab-b^2+12ac-2bc$

asked Aug 18, 2015 by meena.p

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Find the dimension of a cuboid whose volume is $ 2ky^2 +6ky-20k$

asked Aug 18, 2015 by meena.p

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Give the possible expression for the length and breadth of the rectangle whose area is $25a^2-35a+12$

asked Aug 18, 2015 by meena.p

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Factorize : $x^2+3 \sqrt 3 x+6$

asked Aug 18, 2015 by meena.p

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Factorize : $1-2ab-(a^2+b^2)$

asked Aug 18, 2015 by meena.p

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Factorize : $9x^2-12x+4$

asked Aug 18, 2015 by meena.p

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Factories $a^3+a^2+a+1$

asked Aug 17, 2015 by meena.p

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Evaluate : $\large\frac {-100 a^3}{20a}$

asked Aug 17, 2015 by meena.p

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Solve : $(a^2-b^2) \div (a-b)$

asked Aug 17, 2015 by meena.p

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$x^2-12x+35$ will be equal to __________

asked Aug 17, 2015 by meena.p

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Factorization of $x^4+25y^4 -10x^2y^2$ is

asked Aug 17, 2015 by meena.p

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One of the factor of $x^7+xy^6 $ is

asked Aug 17, 2015 by meena.p

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The factors of $x^4+y^4 +x^2y^2$ are

asked Aug 17, 2015 by meena.p

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Evaluate : $\large\frac{7a-7b}{7}$

asked Aug 17, 2015 by meena.p

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One of the factor of $a^2-2ab -c^2+b^2$ is

asked Aug 17, 2015 by meena.p

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Evaluate : $x^4 \div x^4$

asked Aug 17, 2015 by meena.p

2 answers

Factors of $2a^2+11a -21$ is

asked Aug 17, 2015 by meena.p

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Evaluate : $\large\frac{64y^4 +8u^3}{4y^3}$

asked Aug 17, 2015 by meena.p

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Simplify : $\large\frac{49 a^4 b^6 c^8}{7a^2b^2c^2}$

asked Aug 17, 2015 by meena.p

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Reduce to lowest terms $ \large\frac{a^2b^2}{ab}-\frac{ab-b^2}{ab-a^2}$ is equal to

asked Aug 17, 2015 by meena.p

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One of the factor of $a^2+4b^2+4ab$ is

asked Aug 17, 2015 by meena.p

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Find the value of $27x^2+64y^2+36xy(3x+4y)$ when $ x=5$ and $y=-3$

asked Aug 17, 2015 by meena.p

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Factorize : $8m^2 +32$

asked Aug 17, 2015 by meena.p

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Factorize : $15x^2+13 x+2$

asked Aug 17, 2015 by meena.p

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Factorize : $a^2+2ab+b^2-c^2-2cd -d^2$

asked Aug 17, 2015 by meena.p

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Factorize : $20x^3 - 45b^4x$

asked Aug 17, 2015 by meena.p

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Factorize : $16a^2+40ab+25b^2$

asked Aug 17, 2015 by meena.p

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$3a^2-9ab$ is

asked Aug 17, 2015 by meena.p

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Degree of constant term is _______

asked Aug 17, 2015 by meena.p

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Divide $(2pq+3pr+4p) \div 2p$

asked Aug 17, 2015 by meena.p

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Factorize : $80a^2 -45b^2$

asked Aug 17, 2015 by meena.p

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Factorize : $ab(x^2+y^2) +xy(a^2+b^2)$

asked Aug 14, 2015 by meena.p

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Divide : $-15a^2bc^3by 3ab$

asked Aug 14, 2015 by meena.p

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Divide $44 (x^4-5x^3 -24x^2) $ by $4x(x+3)$

asked Aug 14, 2015 by meena.p

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Divide : $15x^2y^2z^2$ by $3xy$

asked Aug 14, 2015 by meena.p

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Factorize : $x^2+20 x +91$

asked Aug 14, 2015 by meena.p

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Factorize $28 x -21 y+8x^2-6xy$

asked Aug 14, 2015 by meena.p

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The value of $(3x^3 +9x^2+27x) \div 3x $

asked Aug 14, 2015 by meena.p

1 answer

The Factorized form of $3x-24$ is

asked Aug 14, 2015 by meena.p

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Factorize: $(x^2-4)+(x^2+4) +16$

asked Aug 14, 2015 by meena.p

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Factorize : $\bigg(\large\frac{3}{4}$$x -\frac{4}{3}$$y\bigg)^2+2xy$

asked Aug 14, 2015 by meena.p

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Factorized : $(s^2t +tq^2)^2 -(2stq)^2$

asked Aug 14, 2015 by meena.p

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Factorize : $(pq-qr)^2+4pq^2 r$

asked Aug 14, 2015 by meena.p

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The value of p for $51^2 -49^2=100 p$ is $2$

asked Aug 14, 2015 by meena.p

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Volume of a rectangular box with length $2x$ , breadth 3y and height $4z$ is

asked Aug 14, 2015 by meena.p

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Factorized from of $18 mn +10mnp$ is _____________

asked Aug 14, 2015 by meena.p

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The value of $(a+b)^2 +(a-b)^2 $ is

asked Aug 14, 2015 by meena.p

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