8012847
8012847 8012847
  • 01-07-2020
  • Mathematics
contestada

What are the roots of the quadratic equation below 3x2+15x-5=0

What are the roots of the quadratic equation below 3x215x50 class=

Respuesta :

ZJSG09112007
ZJSG09112007 ZJSG09112007
  • 01-07-2020

Answer:

A

Step-by-step explanation:

[tex]3x^2+15x-5=0\\a = 3\\b = 15\\c = -5\\ x = -b\±\frac{\sqrt{b^{2} -4ac} }{2a} \\x = -(15)\±\frac{\sqrt{15^{2} -4(3)(-5)} }{2(3)} \\x = -15 \±\frac{\sqrt{225+60} }{6} \\x = -15\±\frac{\sqrt{285} }{6} = A[/tex]

Answer Link
brain2008 brain2008
  • 13-07-2022

Answer: A/ x= -15+/- root of 285/6

Step-by-step explanation: Top person is right

Answer Link

Otras preguntas

Which is the same as 0.08? A) 80% B) 80/100 C) 8% D) 0.8
What is the main religion of Latin america
Luke made a model that has 1 circular base and 1 curved surface.what solid figure did he make
what is the simplest square root of 1345? no decimals please
Why did president Washington want the United States to remain neutral
State two ways in which a single-celled organism, such as amoeba, and a human body are alike?
A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6
How did Alexander the Great rise to power and how did he spread Greek culture to other lands?
how might a scientist a determine  whether trait sex-linked by observing the offspring of several genetic crosses
True or False along a divergent boundary, two plates slip past each other,moving in opposite directions.