alvaradojovanna alvaradojovanna

17-07-2018
Mathematics

contestada

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

Respuesta :

razorsharptip razorsharptip

17-07-2018

x^2 = 15

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

There are 2 solutions.

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