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Write 'T' for true and 'F' for false for...

Write 'T' for true and 'F' for false for each of the following:
(i)`(5 - 3x^(2))` is a binomial.
(ii)`-8` is a monomial.
(iii)(5a - 9b) - (-6a + 2b) = (-a -7b)
(iv)When x = 2 and y = 1, the value of `(-8)/7 x^(3) y^(4) is (-64)/7`.
(v)`x/4 + x/6 - x/2 = 3/4 implies x = -9`.
(vi)`2x - 5 = 0 implies x = 2/5`.

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Write t for ture and f for false for each of the following: 1. In-x, the constant trem is -1 2. The coefficient of x in x^2-3x+5 is 3. (5x-7)-(3x-5)=2x-12 4. (3x+5y)(3x-5y)=(9x^2-25y^2) 5. If a=2 and b= 1/2 then value of ab(a^2+b^2) is 4.1/4

Write the degree of each of the following polynomials : (i) 5x^(3)+4x^(2)+7x (ii) 4-y^(2) (iii) 5t-sqrt(7) (iv) 3

Knowledge Check

  • If 3 (5x-7) -4 (8x-13) =2 (9x-11)-17 , then the value of (7x-5)/(11x-9) is

    A
    `-(14)/(31)`
    B
    `-(9)/(13)`
    C
    `(9)/(13)`
    D
    `(14)/(31)`

  • If 3 ( 5x - 7) - 4 ( 8x - 13) = 2 ( 9x - 11) - 17, then the value of ( 7x - 5)/(11 x - 9) is

    A
    `- (14)/(31)`
    B
    `- (9)/(13)`
    C
    `(9)/(13)`
    D
    `(14)/(31)`

  • If 3 ( 5 x - 7) - 4 ( 8 x - 13) = 2 ( 9 x - 11) - 17 then the value of ( 7 x - 5)/( 11 x - 9) is

    A
    `(9)/(13)`
    B
    `(14)/(31)`
    C
    `- (14)/(31)`
    D
    `- (9)/(13)`

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