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

Convert 14mm to its equivalent in m using dimensional analysis

what is the equation of a line in slope-intercept form with a slope of -3/4 and a y-intercept of -2

how do you solve: 4 + |k + 1| <15

The volume of a cube is given by V= x cubed where x is the length of an edge of the cube. A cube shaped end table has the volume of 3 3/8 cubic feet. What is th

Convert 57 mL to its equivalent in L using dimensional analysis

The length of Marshall's poster is 2 times its width. If the perimeter is 72 inches, what is the area of the poster?

There are two ways of adding two square numbers to make 65. Write a different square number in each box. [ ] + [ ].

can someone help me on this question! please! :)Evaluate the formula V= BH/3; B = 36 in.² and h = 11 in.

Which three countries have the least access to technology?

find the proportionality of y=7.25x