korijennings korijennings
  • 13-04-2020
  • Mathematics
contestada

What are the solution(s) to the quadratic equation 40 - x2 = 0?
x = +210
x = +4/10
x = +2,5
x = 14,5

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 13-04-2020

Answer:

±2sqrt(10) = x

Step-by-step explanation:

40 - x^2 = 0

Add x^2 to each side

40 - x^2+x^2 = x^2

40 = x^2

Take the square root of each side

sqrt(40) = sqrt(x^2)

±sqrt(40) = x

±sqrt(4) sqrt(10) = x

±2sqrt(10) = x

Answer Link

Otras preguntas

Which accidental raises a pitch by a half step? natural sharp flat none of the above?
Commutative=change the ruler
What is the animal kingdom classification chart?
Which of the following chemical formulas shows a covalent compound? A.CO2 B.MgO C. NaCl D.HBr
Rephrase no estoy bien with estar at the end
The first American colony to legally recognize slavery was Massachusetts. Pennsylvania. Virginia. Georgia.
Witherspoon was president of which college ?
WASHINGTON — It happened to Sarah Ball when she was 15 and a sophomore at Hernando High School in Florida. She was bullied online. A friend posted something on
Okay guys I need serious help here plz!!! Are lithium, sodium, potassium, rubidium, cesium, and francium shiny or dull? Please answer the question for each meta
As one moves from element to element, from left to right, across a period in the periodic table,the ionic radii of the elements