MimeInTheNight
MimeInTheNight MimeInTheNight
  • 07-03-2017
  • Mathematics
contestada

How many solutions does an equation of the form x^2- k^2= 0 have?

Respuesta :

charlottekrist
charlottekrist charlottekrist
  • 09-03-2017
1. Use Difference of squares: a^2-b^2=(a+b)(a-b)
(x+k)(x-k)=0

2. Solve for x and k
x=+-k
k=+-x
Answer Link

Otras preguntas

what’s the answer for this ??
The company has an opportunity to sell 20,000 additional units at $13 per unit. The additional sales would not affect its current expected sales. Direct materia
Solve the equation a=84 divided by 7+(-2)4+20
I’m stuck on this problem anyone??
The equation C=2D shows how the cost of a car ride depends on the distance in miles. ​ ​The variable D represents the number of miles driven, and the variable C
You are an experienced small business owner who would like to become a franchisee of Quick Burger, a nationwide franchise of fast food restaurants. There are so
The length of a wire 2.00 m is measured as 2.02m. What is the percentage error in the measurement?
What is the volume in cubic centimeters I need help A)160 B)600 C)1,200 D)400
Fred and Fran were running around the block. Every 45 seconds Fred would stop and cheer. Every 54 seconds Fran would clap. If they started their run at 9 a.m.,
Bayview middle school wants to change their schools mascot. they came up with 5 mascot names and surveyed a group of random students to determined their favorit