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12-05-2020
Mathematics

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Find the number and type of solutions for x² + 3x = 10.
a. The equation has two real solutions.
b. Cannot determine without graphing.
The equation has one real solution.
d. The equation has two nonreal complex solutions.

Respuesta :

AnonymousZX AnonymousZX

12-05-2020

Answer:$A$

Step-by-step explanation:

Lets subtract 10 on both sides. Hence, our equation is x^2+3x-10=0. Applying the quadratic formula, we get our roots as (-3 +/- sqrt(49))/2, so the equations roots are (-3 +/-7)/2 which is obviously real. Hence, our answer is A.

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