nyco nyco
  • 01-05-2016
  • Mathematics
contestada

the zeros of the function f(x) =(x+2) to the second power minus 5

Respuesta :

konrad509
konrad509 konrad509
  • 01-05-2016
[tex](x+2)^2-5=0\\ (x+2)^2=5\\ x+2=-\sqrt5 \vee x+2=\sqrt5\\ x=-2-\sqrt5 \vee x=-2+\sqrt5[/tex]
Answer Link

Otras preguntas

The sun ____ in the East.​
Kara is running a marathon. After 2 hours, Kara has run 13 miles. After 4 hours, Kara has run 26 miles. What is her speed, in miles per hour?​
This acceleration function represents the acceleration of a subatomic particle: a(t) = 6t² - 8t The particle has an initial velocity of 1 m/s. What is the veloc
The sun ____ in the East.​
PLEASE HELP I NEED IT BY TODAY I WILL GIVE YOU 44 POINT AND BRAINLEST
100° 100⁰ X = ??????
Write the slope-intercept form of the equation of the line through the given point with the given slope. through: (2,-2), slope = -5/6
A triangle has sides of length 4xy, 7, and2x. Which expression represents the distance around, or perimeter, of the triangle? O 6z+y+7 O 6x + 4y +7 O4zy + 2x +7
you spent $25 at the store. you bought a book for $8.50 and pencils for $.25 each. how many pencils did you buy?
From earth why dose the sun look so much larger than other stars ? Is the sun actually larger than the stars outside our solar system ? Explain your ideals belo