ng986223 ng986223
  • 23-01-2019
  • Mathematics
contestada

What are the roots of f(x)=x^2-25

What are the roots of fxx225 class=

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 23-01-2019

Answer:

x = ±5

Step-by-step explanation:

To find the roots, set the equation equal to zero

x^2 -25 =0

Add 25 to each side

x^2 =25

Take the square root of each side

sqrt(x^2) = ±sqrt(25)

x = ±5

Answer Link

Otras preguntas

What is the difference between meiosis and mitosis?
In a state, license plates consist of four letters and two digits. How many different plates are possible?
Can someone give me some reason why you would go against the 19th amendment?
joaquin and serena are looking at the problem 3x+1>0 serena says that the inequality is always true because multiplying a number by three and then adding one
A pair of shoes that now sells for $63 has been marked up 40%. Find the mark up on the pair of shoes.
Factor completely x^4 +8x^2 -9
Is the reaction rate always positive? why or why not?
How can i factor 27+12
order from least to greatest 2.614,2.146,2.46,2.164
the price of an item is 4.56 and the tax rate is 8%. find the tax in the item by multiplying 4.56 by .08 and round the product to the nearest cent.