RhayBarn7i6tag RhayBarn7i6tag

18-05-2016
Mathematics

contestada

Which shows a difference of squares?

10y^2 – 4x^2

16y^2 – x^2

8x^2 – 40x + 25

64x^2 – 48x + 9

Respuesta :

18-05-2016

Hello,

1) (√10 y)²-(2x)²
2) (4y)²-x²
3)8x²-40x+25=8(x²-5x)+25
=8(x²-2*5/2*x+25/4)+25-8*25/4
=8(x-5/2)²-25
=8(2x-5)² /4 -25
=[√2*(2x-5)]²-5²

4)
64x²-48x+9=(8x-3)²-0²

Answer Link

Otras preguntas

How many solutions does 3 - 2x = 5-x+ 3 + 4x have?

The height of a wave in California varies directly with the seconds that pass by. At 4 seconds, the wave is 6 feet high. Find the constant of variation.

Write a linear function f with the given values. F(x) form

SpecitiC RevieW Save Submit designed to define the conditions under which public The "clear and present danger' test devised by the Supreme Court authorities ca

Graph the line that has a slope of 1/4.

If |x-1| = |x+5|, find the value of x.

What is Earth science?

The following question is based on your reading of the biography of Flannery O'Connor. What style of writing do critics attribute to O'Connor? a. Romanticism So

this matching question is really hard , itd be epic gamer moment if yall help me out here

Mrs. Cervantes wants to paint her windmill. It has six sides, each of which is 3.5 feet wide by 11 feet tall. How many square feet does she need to paint?