beastmodefc11
beastmodefc11 beastmodefc11
  • 03-12-2018
  • Mathematics
contestada

Solve x2 – 8x = 3 by completing the square. Which is the solution set of the equation? HURRY PLZZZZ

Respuesta :

Аноним Аноним
  • 03-12-2018

x²-8x=3

x²-8x+16=3+16=19

(x-4)²=19

x-4=±√19

x=4±√19

x=8.3589 approx or x=-0.3589 approx {4-√19,4+√19} or {-0.3589,8.3589}

Answer Link
Аноним Аноним
  • 03-12-2018

Answer:

x²-8x=3

x²-8x+16=3+16=19

(x-4)²=19

x-4=±√19

x=4±√19

x=8.3589 approx or x=-0.3589 approx {4-√19,4+√19} or {-0.3589,8.3589}

Step-by-step explanation:


Answer Link

Otras preguntas

IS IT CORRECT ??? PLS
Skylar and Rodrigo each recorded how far they traveled while skateboarding. Skylar traveled 65 feet in 5 seconds and Rodrigo traveled 108 feet in 8 seconds. How
Johnny has 2 apples and Daniel has 5 apples. How many apples do they have combined?​
Which of the following steps is performed last in the process of creating a mind map
1.5 / (4x - 1) = 0.4 / (x + 4) find x
put more than 5 points & will mark branliest. Which fraction is equivalent to a repeating decimal? A. 1/10 B. 1/15 C. 1/16 D. 1/20
possible reason of high economic growth?​
completar la oracion I called, but he didn't _____his phone.
3. Reread the following passage from page 22: Then they raced back to the farm buildings to wipe out the last traces of Jones's hated reign. The .arness-room at
các acit amin liên kết với nhau bằng liên kết gì