5vcq242ryr 5vcq242ryr
  • 13-06-2022
  • Mathematics
contestada

Find the zeros of y=x² + 6x-4 by completing the square.
A. x = 3± √13
B. x = ±3
C. x = 3+√5
D. x= -3± √13

Find the zeros of yx 6x4 by completing the square A x 3 13 B x 3 C x 35 D x 3 13 class=

Respuesta :

konrad509
konrad509 konrad509
  • 13-06-2022

[tex]x^2+6x-4=0\\x^2+6x+9-13=0\\(x+3)^2=13\\x+3=\pm\sqrt{13}\\x=-3\pm\sqrt{13}[/tex]

Answer Link

Otras preguntas

What two behaviors that allow organisms that stay in Masssachusetts all year to survive seasonal changes?
a bicycle has tires that are 24 inches in diameter whats the circumfrence of one tire?
Why does copper have a high melting point?
What is the distance between point A and point B to the nearest tenth?   Answers:   A. 10.8 units
what are these from least to greatest 0.3,0.13,0.19,0.31
A fertile hypha that bears spores is called a?
why did archimedes of syracuse go to alexandria to study and not near home
What do frogs do on land and in water?
What is the solution to the proportion?  X/45=8/18 Answers: A. X=16 B. X=20 C. X=35 D. X=101.25
Alaine has 1 gallon of paint. She is going to pour it into a paint tray that measures 10 inches wide, 12 inches long, and 5 cm deep.(1 gallon = 231 in3, 1 inch