nalla0five
nalla0five nalla0five
  • 22-06-2021
  • Mathematics
contestada

x^2+2x+7=21 the approximate value of the greatest solutoon to the equation, rounded to the nearest hundreth​

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 22-06-2021

9514 1404 393

Answer:

  x ≈ 2.87

Step-by-step explanation:

We  can subtract 6 to put the equation into a form easily solved.

  x^2 +2x +1 = 15

  (x +1)^2 = 15

  x +1 = √15 . . . . . for the greatest solution, we only need the positive root

  x = √15 -1 ≈ 2.87

Ver imagen sqdancefan
Answer Link

Otras preguntas

What is its height?
what is 14 divided by 154 (A) 10 (B)10.5 (C)11 (D)11.5_
List three parts of the NIRA.
Determine the intercepts of the line
If Clare picked a total of 21 pieces of fruit, how many more persimmons than plums did she pick? Submit Practice with our app
i mainly need help with #10, thank you!
a. Which definition best fits the vocabulary word “creed?” set of beliefs b. ability to read ethnicity d. skin color C. Please select the best answer from the c
Which example shows separation of different wavelengths of light due to diffraction?​
A tooth poste Company mailed a Survey to 360 households on the first two Weeks tooth paste company recieved 45% of the surveys back How many of the 360 house
The English Channel runs between England and France. Ocean tides cause the water in the channel to flow to the west and then, sometime later, back to the east.