needhelpwithmath23 needhelpwithmath23

13-08-2018
Mathematics

contestada

select TWO values of x that are roots

select TWO values of x that are roots class=

Respuesta :

20-08-2018

[tex]x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\\\y=x^2+3x+5\\\\a=1;\ b=3;\ c=5\\\\b^2-4ac=3^2-4(1)(5)=9-20=-11\\\\x_1=\dfrac{-3-\sqrt{-11}}{2\cdot1}=\dfrac{-3-\sqrt{-11}}{2}\\\\x_2=\dfrac{-3+\sqrt{-11}}{2}[/tex]

Answer: A and B.

Answer Link

pokemonsnowgurl pokemonsnowgurl

09-04-2019

Answer:

answers are C and F above on Apex

Step-by-step explanation:

Answer Link

Otras preguntas

Use properties of limits to find the indicated limit. It may be necessary to rewrite an expression before limit properties can be applied. limx→1 x3+5x2+3x−9x−1

Each of the following was a main cause of American imperialism EXCEPT: The belief in the superiority of American culture. The belief that the economy needed ove

What organizational pattern is best to use when a piece of writing moves from one subject to another

What is the basis of World War 1

what dose Jupiter do for are earth

I need important characters in the book Things Fall Apart.

Imagine that a scholar wants to develop a measure of preelectoral coordination among parties in democracies. if she thinks about the level of preelectoral coord

Year-old male with an extensive cardiac history presents with 2 hours of crushing chest pain and shortness of breath. he is pale and diaphoretic and tells you t

I don’t understand this question

while you were sleeping,I watched a movie. Is this a Simple, compound, or complex sentence