teja7ckwithbrengton teja7ckwithbrengton

03-01-2016
Mathematics

contestada

When 9x2 - 100 is factored, it is equivalent to (3x - b)(3x + b).
What is a value for b?
(1) 50 (3) 3
(2) 10 (4) 100

Respuesta :

Imabeatsgirl Imabeatsgirl

03-01-2016

(9 x 2 = 18) (18-100=-82) So you have to be able to multiply 3x - b and 3x + b to get -82. I believe the answer is (2).10

Answer Link

Otras preguntas

Why should you use a control during an experiment? to help maintain order to provide a greater certainty that the observed results are not by chance to keep dat

Square root of -121 and simplify it please and show me steps

Gregor Mendel’s research formed the basis of the field of genetics. dominance. recessiveness. selective breeding.

what is log8 1/64=-2

Gregor Mendel’s research formed the basis of the field of genetics. dominance. recessiveness. selective breeding.

A coelom is _____. a. an arrangement of organs b. a cavity filled with fluid c. layers of tissue d. an inner lining of tissue

Volcanoes _____. are caused by weathering are caused by tsunamis cause liquefaction are both constructive and destructive

some number minus 6 is equal to 20 minus 19

What states made up the upper south?

What is the city-state of Athens sometimes called?