brainiacfool brainiacfool
  • 13-10-2017
  • Mathematics
contestada

which equation shows the quadratic formula used correctly to solve 7x^2=9+x?

Respuesta :

Alexis6166
Alexis6166 Alexis6166
  • 13-10-2017
7x^2=9+x
minus 9+x both sides
7x^2-1x-9=0


for ax^2+bx+c=0
x=

7x^2-1x-9=0
a=7
b=-1
c=-9

x= is correct usage
Answer Link

Otras preguntas

Most absorption of nutrients occurs in the __________.
A battery with an emf of 12 V and an internal resistance of 1 Ω is used to charge a battery with an emfof 10 V and an internal resistance of 1 Ω. The current in
Determine the molarity of a solution formed by dissolving 97.7 g libr in enough water to yield 750.0 ml of solution.
Cervical cancer can result from a sexually transmitted disease. True or False
A cosmic ray electron moves at 6.5x 10^6 m/s perpendicular to the Earth's magnetic field at an altitude where the field strength is 10x 10^-5 T. What is the rad
What is the average temperature in the polar zones?
Find the lengths of the sides of the triangle PQR. P(0, 1, 5), Q(2, 3, 4), R(2, −3, 1) |PQ| = Correct: Your answer is correct. |QR| = Correct: You
The neuromuscular junction is a well-studied example of a chemical synapse. Which of the following statements describes a critical event that occurs at the neur
WILL GIVE BRAINLIEST!The table below shows part of the texting skills’ data collected by the cell phone company.Use the table to interpret the axes labels of th
(Question 23) True or False. Withdrawing from virtual technology abuse and not telling anyone or resolve the issue is called Mediation.