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If x = -3, what is the value of |x - 4| - x^2 ?
JMAP math expression
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If x = -3, what is the value of  |x - 4| - x2 ?

1) -8

2) -2

3) 7

4) 16

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peter
Asked by peterrep:911
University of Lagos Nigeria
24 June 2020

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1 answer(s)

judziy
Judziy answeredrep:880
University of Benin Nigeria
24 June 2020
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|x - 4| - x2

when x = -3,

|-3 - 4| - (-3)2

= |-7| - 9

Since the sign, || represent absolute value (Absolute values are non-negative values regardless of its sign), thus, the expresion becomes:

7 - 9

= -2

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