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

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 of the following countries has a well developed agricultural system ? Israel saudia Arabia Iran or Yemen

Gary sees on a measuring cup that 200 centiliters are the same as 2 liters. how many liters are there in 300 centiliters

What was the renaissance, what does "renaissance" mean, where did it begin,and when did it occur?

Solve for M 0.02(5m – 1.5) = 0.4

The Preamble includes the phrase "provide for the common defense." Which of the following powers granted by the Constitution relates to the defense of the Unite

What is the definition of luminosity

what are the 6 branches of chemistry and what do they study?

why is the median not affected by the high or low values in the data?

which biological molecule would not offer much information about the history of life

The ability to tap into signals from the brain to produce hand and arm movement holds promise for patients with _____.