krishanaik
Answered

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The equation x^2 = d has how many real solutions when d > 0?

Sagot :

nicoleskater20

Answer:

2 real solutions

Step-by-step explanation:

d>0: two real solutions

D=0 one real solution

D<0: two complex (imaginary) solutions

altavistard

Answer:

Step-by-step explanation:

This is a quadratic equation.  All quadratic equations have two solutions.  In this case, with d > 0, the two solutions / roots are real, one positive and one negative.  To see this, take the square root of both sides of x² = d.

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