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29 December, 05:50

Evaluate the expression for a = 5 and b = 12.

b^2 - 4a

A.

700

B.

100

C.

124

D.

4

+3
Answers (2)
  1. 29 December, 06:08
    0
    Given

    d = b² - 4a

    a = 5, b=12

    Find

    the value of d

    Solution

    Put the numbers where the corresponding letters are, then do the arithmetic.

    d = 12² - 4·5

    d = 144 - 20

    d = 124

    The appropriate choice is ...

    ... C. 124
  2. 29 December, 06:12
    0
    The answer is c

    (12^2) - (4x5)

    =124
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