SOLUTION: Determine the type (real or complex) and number of the solutions of each of the following equations. Justify your answer. x^2 + 3x

SOLUTION: Determine the type (real or complex) and number of the solutions of each of the following equations. Justify your answer. x^2 + 3x - 15 = 0 Thank you

Question 193949This question is from textbook
: Determine the type (real or complex) and number of the solutions of each of the following equations. Justify your answer.
x^2 + 3x - 15 = 0 Thank you This question is from textbook

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

From we can see that , , and

Start with the discriminant formula.

Plug in , , and

Square to get

Multiply to get

Rewrite as

Add to to get

Since the discriminant is greater than zero, this means that there are two real solutions.

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