Question

And this one too T^T

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Answer 1

Answer:

1 c

2 d

3 b

4 d

5 d

here is your answer but I'm bit confuse in 5 rest are ok

Answer 2

Answer:

1] c , 2] c , 3] b , 4] c , 5] a

Step-by-step explanation:

1] c. 2x^2+4x-5 = 0

because standard form of quadratic equation is

ax^2+bx+c = 0

2] c] -5x

 so here compare ax^2+bx+c = 0

  with                      3x^2-5x-2 = 0

  so we know that quadratic term is bx = -5x

3] b] 7x

         linear term means the power of the x should be 1 .

         hence 7x is the answer .

4] c] 6x^2-5x-4 <= 0      [<= means lesser than or equal to ]

        ax^2+bx+c = 0 is the standard form .

        but over here it is given <= so it is not a quadratic equation .

5] a] -7

                       ax^2+bx+c = 0 is standard form

compare with 4x^2+4x-7 = 0

we get c = -7