brainiacfool brainiacfool

13-10-2017
Mathematics

contestada

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

Respuesta :

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

Find the markup and the cost of the following item. Round answers to the nearest cent. A mirror selling for $98.00, marked up 30% on cost. M= C= Find the markup

Which agency is responsible for ensuring the safety of the Secretary of State and other U.S. diplomats when they travel to foreign countries? Law enforcement of

On January 1, Puckett Company paid $2.01 million for 67,000 shares of Harrison’s voting common stock, which represents a 40 percent investment. No allocation to

Mis amigos quieren que la mesera ____________________ la ensalada ahora. No quieren esperar más.

Charlotte has invited 100 people to her party. The buffet menu below is for 25 people. Work out how many of the following she will need:

What are some possible negative effects created from the invention of printmaking? How do you think these were handled?

which is a step in the process of calculating successive discounts of 8% and 10% on a $50 item

what is the slope of the line that contains the points (-1 8) and (5 -4)

Which of the following is quantitative information? O A. The clouds are gray. O B. The forecast calls for snow. O C. The weather is cold and icy. O D. The tempe

Who was the 17th president of the United States?