23-01-2019
Mathematics

contestada

What is the factored form of the expression?

16b^2 – 81

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

23-01-2019

Answer:

(4b-9) (4b+9)

Step-by-step explanation:

16b^2 – 81

This is the difference of squares

(a^2 -c^2) = (a-c) (a+c)

a^2 = 16b^2 so a= 4b

c^2 = 81 so c = 9

(16b^2 – 81) = (4b-9) (4b+9)

Answer Link

Otras preguntas

Shelly added 1/3 2/3 4/3 and 1/3 she determined the sum of the fractions to be 8/3 what is 8/3 as a mixed number?

I need help asapp math

an optical illusion is a trick that relies on which of the five senses

Amaya went to the pet store. She bought x fish for $3.50 each. She bought fish food for $7.00, and a fish bowl for $12.75. Determine how much Amaya spent at the

The half-life of carbon-14 is 5,730 years. Suppose a fossil is found with 20 percent as much of its carbon-14 as compared to a living sample. How old is the fos

5 3 2 - $ is the correct graph of the equation y=x-3. -5 - 13-2 2 3 57 O True O False

What is an allele? A.The gene for a specific trait.B.One of 2 copies of a gene.C.The same thing as a gene

Which of these is NOT a property of a wave?

What is the slope of the linear function given the following table? х у -3. 7 -2. 5 -1. 3 0. 1 2. -3 Help please !

after a bill has been created what steps must it go through to become a law place the titles in the correct order from first to last