nessaalvarez23400 nessaalvarez23400
  • 11-11-2020
  • Mathematics
contestada

Which of the following equations has only one solution?
X( x - 1) = 9
x2 - 6x + 9 = 0
x2 = 9

Respuesta :

Kweice
Kweice Kweice
  • 11-11-2020

Answer:

x^2 - 6x + 9

Step-by-step explanation:

x(x - 1) = 9

x^2 - x - 9 = 0

x = 3.54 or x = -2.54 (using quadratic formula)

x^2 - 6x + 9 = 0

(x-3)^2 = 0

x = 3

x^2 = 9

x = ±√3 (any positive number square rooted always have 2 answers)

Answer Link

Otras preguntas

Biotechnology has helped produce crops that are resistant to certain pests, crops that produce high yields, and more nitrogen-efficient crops. What is a negativ
Which of the following combines two independent clauses using the correct punctuation? Question 7 options: I love visiting other countries; I learn so much from
a six-sided number cube is rolled twice, which expression can be used to find P(5, then 3). A. 1/5*1/3 B. 1/6*1/5 C. 5/6*3/6 D. 1/6*1/6
Cady found that she uses of a roll of paper towels each week. How many rolls of paper towels will she use in 10 weeks?
Will someone please help me pleaseeeee!!!!!!
Please please please someone help me please please
Factor completely 9x 4 -225y 8
What is the volume of the composite figure?
Which operation should be used to solve this problem? What is the answer to this problem? Parker can type 1,035 words in 23 minutes. How many words does Parker
The various categories of patterns (e.g. Misses, Junior Petite) refer to A. style. B. age. C. height. D. figure type