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

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

Teachers should be concerned about samantha, a tenth grade student who shows no connection to her high school. the real concern is that samantha may:

If the foreign exchange rate between the japanese yen and the euro is 190:1, how many yen will equal 10 euros?

What is the definition of chronological order?

primo car rental agency charges $33 per day plus $0.20 per mile. ultimo car rental agency charges $17 per day plus $0.85 per mile. Find the daily mileage for wh

20 points can someone please help me im struggling with this question! Charlotte's annual salary is 29,354 dollars. She is hoping to win the World Lottery which

South America produces more power using than any other continent

How did the war between japan and russia result in the cold war. How was the US and china involved exactly?

What event initiated the Islam’s rise to power in India?

Which table of ordered pairs represents a proportional relationship?

I need help please help me.