Answer
Two
Work Step by Step
$x^2=d, d>0\Rightarrow x=\pm\sqrt d$
Therefore the equation $x^2=d$ will have $\textbf{two}$ real solutions if $d>0$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 9 - Solving Quadratic Equations - 9.3 - Solving Quadratic Equations Using Square Roots - Exercises - Page 501: 1
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