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Sarvajeet

187 Answers

Tapas

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Rajendran replied | 25/11/2016

y = mx + c where, c is the y intercept.
we have -4x +6y = -12
6y = 4x - 12
y = (4x/6) - 12/6
y = (4x/6) - 2.
Therefore y intercept = -2.

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Nareshreddy M replied | 27/11/2016

Equation of line in intercept form is (x/a)+(y/b)=1;
Where, a is x intercept and b is y intercept.
Divide equation by ( -12) so that RHS =1.
(X/3)+(Y/-2)=1.
Y intercept is -2

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U

Usha 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Simplify (8 * cube of x) / (2 * cube of x)?

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Sarvajeet replied | 23/11/2016

2.

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Rajendran replied | 25/11/2016

8*cube of x/2*cube of x = 8/2 = 4.

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B

Basundhara 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Simplify [square of (- square of a * cube of b)] * (square of c)?

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Daljit Kaur replied | 25/11/2016

(Fourth power of a) (sixth power of b) (c square).

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Mamata replied | 29/11/2016

Square of ( -a^2b^3) ) c^2
= a^4b^6c^2
= a fourth b sixth c squares.

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B

Basundhara 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Which property is used to write a(x + y) = ax +ay?

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Shikha replied | 23/11/2016

Distributive property.

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Answer

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P

Prabhu 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

For what value of k is the point (-2, k) on the line with equation: -3x + 3y = 4?

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Tapas replied | 01/12/2016

For the given point:
-3(-2) + 3k=4 --> 6 + 3k=4 --> 3k=4-6 = 2 --> k = 2/3 (Answer).

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A

Agastya 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Which line given by its equation: [2 (3x - 2)] - 3 = 7?

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Shikha replied | 22/11/2016

6x=14

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B

Briyal 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Solve for x the equation: (1/2) square of x + mx - 2 = 0?

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Shikha replied | 23/11/2016

After equating coefficients, square of x-4+2 m x = 0.
So, x=[-m+-square root of (m 2+4)] / 2.

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K

Kunal 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

For what values of b the equation square of x - 4x + 4b = 0 has two real solutions?

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Shikha replied | 23/11/2016

x = 4b/3.
Hence, real solutions for b would be 3/4, -3/-4, 6/8, 9/12 [i.e., any factors of 3/4].

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Daljit Kaur replied | 25/11/2016

This equation will have real solutions for b less than or equal to one

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P

Priya 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Simplify: -2(x - 3) + 4(-2x + 8)?

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Shikha replied | 23/11/2016

-2x + 6- 8x +32 = 0
-10x + 38 = 0
X= -38/-10 = 3.8.

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Answer

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A

Abdul 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Find the product: (2a + 5b) (4 square of a - 6ab + 9 square of b)?

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Shikha replied | 23/11/2016

8*cube of a + 8 * square of a*b-12 a*square of b+45 *cube of b.

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Answer

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J

Joydip 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Divide: 4 (square of x) + 3x by 2 (square of x)?

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Jeet replied | 02/12/2016

2 + (3/2x).

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Answer

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C

Chandan 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

What is the value of f(5): f(x) = 5(square of x) - 4x?

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Sreedevi replied | 02/12/2016

f(x) = 5x^2 - 4x (given).
on substituting x = 5 in the above,
f(5) = 5( 25) - 20 = 105.

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Answer

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P

Praveen 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Define Algebra in terms of Mathematics?

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Sreedevi replied | 02/12/2016

Algebra is a branch of mathematics which deals with unknowns or variables. In algebra, we can find the solution of the given problem using unknowns (variables).

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Answer

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P

Praveen 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Find any real solutions for the quadratic equation: 2 (square of x) - 8 = 0?

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Tapas replied | 01/12/2016

2 x^2 -8=0 --> x^2 = 4 --> x = +2 or -2.

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Answer

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A

Ashok 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Solve: x + 3 < 0?

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Chandan replied | 22/11/2016

x>-3

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Ram Mohan replied | 22/11/2016

The answer should be (x < -3).

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Answer

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G

Gaurav 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

What is the point of intersection of the lines x - y = 3 and -5x - 2y = -22?

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Sreedevi replied | 02/12/2016

The point of intersection is (4,1).

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S

Sona 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

For what value of a will the system given below have no solutions: 2x + 6y = -2; -3x + ay = 4?

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P

Praveen 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

For what values of k the equation -x + 2kx + 4 = 0 has one real solution?

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N

Nandhini 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Simplify: (-x) + 3x - (-2x) + 3x?

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K

Kavitha 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

If (square of x - square of y) = 10 and (x + y) = 2, find x and y?

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M

Madhukar 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Find the length and width of a rectangle whose perimeter is equal to 160 cm and its length is equal to triple its width?

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V

Vineeth 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Factorize the algebraic expression 6 square of x - 21xy + 8xz - 28 (yz)?

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P

Parminder 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Expand and simplify the expression: (x + 3) (x - 3) (-x - 9)?

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H

Hemlatakarla 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Find the value of x: x + 7x -9 = 6x - 9?

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Answer

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I

Irfan 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Simplify: 5(square of x)(y) [4(square of x) + 5 (square of x) (y) - 3 xy]?

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