Seudónimo Seudónimo
  • 01-02-2017
  • Mathematics
contestada

Which expressions are differences of squares?

Select each correct answer.

t^2−1

n^2−225

k^2+81

p^2−40

Respuesta :

Whovian000000
Whovian000000 Whovian000000
  • 01-02-2017
t^2-1 and n^2-225

I don't think k^2+81 because of the "+" sign, only "-" signs are differences of squares.
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 01-02-2017
a²-b² is diffrence of squares

first one is
t²-1², yep

2nd one
n²-15², yep

3rd one is not difffernce

4th one can be forced into p²-(2√10)², but I wouldn't say it is



first 2
Answer Link

Otras preguntas

How do you solve this with the fractions?
Which muscles of the tongue or the pharynx insert on the median raphe attached to the occipital bone?
A pebble rolls off the roof of science hall and falls vertically. just before it reaches the ground, the pebble's speed is 17 m/s. neglect air resistance and de
how do you think rainsford would describe General Zaroff?
Determine the equation of a circle with a center at (–4, 0) that passes through the point (–2, 1) by following the steps below. Use the distance formula to dete
What do you call two birds relaxing in the midday sun?
Why were the British never able to securely hold the Carolinas? A: Colonial resistance was widespread in all areas. B: French allies led major battles to defea
Hace dos Dias que Federico se cayo y tuve dolar en la espalda
Amino acids are the building blocks of protein true or false
Which of these is a pair of isotopes? na+ and na cl-35 and cl-37 f and cl o2 and o3?