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3 December, 10:44

Find the number of real number solutions for the equation.

x²-15=0

a) 2

b) 1

c) 0

d) can not be determined from the graph

+1
Answers (1)
  1. 3 December, 12:48
    0
    x^2 = 15

    x = - sqrt (15) or x = sqrt (15).

    There are 2 solutions.
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