peytonb775
peytonb775 peytonb775
  • 26-03-2020
  • Mathematics
contestada

Solve the quadratic equation by completing the square.

3x2 - 6x - 4 = 0

Respuesta :

PollyP52 PollyP52
  • 26-03-2020

Answer:

-0.53, 2.53 to the nearest hundredth.

Step-by-step explanation:

3x^2 - 6x - 4 = 0    

3(x^2 - 2) - 4 = 0

3 [ ( x - 1)^2 - 1] = 4

3(x - 1)^2 - 3 = 4

3(x - 1)^2 = 7

(x - 1)^1 = 7/3

x - 1 = +/- √(7/3)

x =   +/- √(7/3) + 1

x = 2.53, -0.53.

Answer Link
Bosco555
Bosco555 Bosco555
  • 07-05-2021

Answer:

The Answer is A x = 3 ± 21/3

Step-by-step explanation: I have tooken the test in usa test prep and this was the correct answer.

Answer Link

Otras preguntas

put the rainfall measurements in order from least to greatest.0.97 meters0.947 meters1.5 meters1.268 meters
Which pronoun best completes the sentence? How is the pronoun used? __________ and Ginny are looking for a ride to the picnic. A. He; predicate nominative
how did the Soviet Union's foreign policy goals contradict one another ?
What is 1280 billion devided by 47.9%
Which pronoun best completes the sentence? How is the pronoun used? __________ and Ginny are looking for a ride to the picnic. A. He; predicate nominative
how can we solve water pollution?
To call off,invalidate,void means what
the problem says find equivalent expressions that have the LCD picture of problem below
what is (-8)(-8)(-1)?
If f(x) = 2(x)^2 + 5 square root (x+2), complete the following statement (round your answer to the nearest hundredth): f(0) =