Find the value(s) of x, if the distance between the point A(0, 0) and B(x, -4) is 5 unit
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Answer:
x is either 3 or -3.
Step-by-step explanation:
Distance between (0, 0) and (x, -4) is 5
=> ( x - 0 )² + ( -4 - 0 )² = 5²
=> x² + 4² = 5²
=> x² = 5² - 4² = 25 - 16 = 9
=> x = ±3.
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