Swee3D1omegarizstac
Swee3D1omegarizstac Swee3D1omegarizstac
  • 13-07-2016
  • Mathematics
contestada

what are the solution(s) to the quadratic equation 9x^2 = 4? a. x = 4/9 and x = -4/9 b. x = 2/3and x = -2/3 c. x = 3/2 and x = -3/2 d. no real solution

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 17-07-2016
[tex]9x^2 = 4 \\ x^2 = \frac{4}{9} \\ x= \pm \sqrt{ \frac{4}{9} } \\ x= \pm \frac{2}{3} [/tex]
solution is x = 2/3 and x = -2/3
Answer Link

Otras preguntas

the circumference of a circle is 6 pi inches. what is the radius of the circle?
What is ab-2ac+cb simplified, if it can be?
simplify |5−2(9)| 9^2÷3
Order this set of numbers from LEAST to GREATEST 5, -13/4, -3, 16/5 A- 16/5, 5, -13/4, -3 B- 5, 16/5, -13/4, -3 C- -13/4, -3, 16/5, 5 D- -3, 13/14, 16/5, 5​
10 of 10 Henry was thinking of a number. Henry adds 2, then divides by 5 to get an answer of -10. What was the original number?
Whats Ali's final answer?
is that the right answer
differentiate in respect to x
If Sarah's age is four years more than twice Tom's age, t, then which of the following represents the sum of their ages in terns of t. Help me please
Will give brainiest!!! ASAP It is scattered plots and predictions and on the questions that have writing on them tell me whether it is right or wrong and just o