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Algebra Test 2
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Algebra Test 2
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  • Question 1/10
    1 / -0

    What value should come in place of the question mark? 

    Solutions

    Let 

    Then, 8x – 7 × 2 = 49 – 48 + x²

    ⇒ 8x – 14 = 1 + x²

    ⇒ x² – 8x + 15 = 0

    ⇒ (x – 3)(x – 5) = 0

    ⇒ x = 3 or x = 5.

  • Question 2/10
    1 / -0

    What value should come in place of the question mark? 

    Solutions

     (where a = 469, b = 174)

  • Question 3/10
    1 / -0

    What value should come in place of the question mark? 

    Solutions

     =

    =

  • Question 4/10
    1 / -0

    What value should come in place of the question mark? 

     = ?

    Solutions

  • Question 5/10
    1 / -0

    What value should come in place of the question mark? 

    = ?

    Solutions

    = 

  • Question 6/10
    1 / -0

    What value should come in place of the question mark? 

    Solutions

    Given exp. 

  • Question 7/10
    1 / -0

    What value should come in place of the question mark? 

    = ?

    Solutions

  • Question 8/10
    1 / -0

    What value should come in place of the question mark? 
    (17)³˙⁵ × (17)? = 17⁸

    Solutions

    Let (17)³˙⁵ × (17)x = 17⁸.

    Then, (17)³˙⁵ + x = 17⁸.

    ∴ 3.5 + x = 8

    ⇒ x = (8 – 3.5)

    ⇒ x = 4.5

  • Question 9/10
    1 / -0

    What value should come in place of the question mark? 
    =?

    Solutions

  • Question 10/10
    1 / -0

    What value should come in place of the question mark? 
    =?

    Solutions

     = 0.4 + 1.1 = 1.5

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