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

Which statement best describes an independent variable? A-The variable that responds to change in a investigation B- The variable you can change in an investiga

The National _______ Act of 1902, provided proceeds from the sale of public lands for the construction of dams, canals, and irrigation systems in sixteen Wester

One side of an isosceles triangle has a length of 19 m. The lengths of the other two sides are equal to one another, but are unknown. If the perimeter of the tr

What accounts for why the Soviet Union decided to formalize its East European alliance through the Warsaw Pact? to convince the world that communism was the bes

Suppose you use a microscope to look at a cell from the leaf of a tree. What structure will you see that would not be found in a cell from your fingernail? A. m

what is the opposite of dreamy-eyed

Fruit flies are commonly used in genetic investigations that focus on traits passed from parents to offspring over several generations. What can you infer is th

What is 3 divided by 75?

what are the real roots of x2-7×+10=0

a teacher wants to give 3 markers to each of her 25 students. Markers come in packeges of 8 how many packages of markers will the teacher need