jalros5emsheyb
jalros5emsheyb jalros5emsheyb
  • 11-05-2016
  • Mathematics
contestada

Solve: 16x2 − 81 = 0.
x = 4, 9
x = −4, −9
x = 9 over 4, x = −9 over 4
x = 81 over 16, x = −81 over 16

Respuesta :

Neuron
Neuron Neuron
  • 18-05-2016
If you would like to solve 16x^2 - 81 = 0, you can calculate this using the following steps:

16x^2 - 81 = 0
(4x - 9) * (4x + 9) = 0
1. 4x - 9 = 0 ... 4x = 9 ... x = 9/4
2. 4x + 9 = 0 ... 4x = - 9 ... x = - 9/4

The correct result would be: x = 9 over 4, x = −9 over 4. 
Answer Link

Otras preguntas

Choose the command from the following statements. Pon los platos en la mesa. Pongo los platos en la mesa. Pone los platos en la mesa.
why is 6-decene not possible?
How do you get 2/3 + 7/2 into 25/5.
mrs carter teaches a total of 80 students. of the students that she teaches, 30% will go on a field trip to the art museum along with 8 parents. how many peo
Solve: 3 13/24 + 156
How many times is the value of 6 in 3,620 than in 3,156?
What is Madge's primary argument regarding what should determine the dogs fate
Which of the following explains captain ahabs obssesion with moby dic A. he wants revenge against moby dic B. He believes that capturing moby dic will make him
can someone help me with this. will give you brainliest.
summerize the long-term cycle of phosphorus