kemplewi3666 kemplewi3666

01-09-2017
Mathematics

contestada

Which is a factor of 2a(cubed) - 2a(squared) - 7a + 7?
A) (a - 1)
B) (a + 1)
C) (a - 7)
D) (a + 7)

Respuesta :

choixongdong choixongdong

01-09-2017

2a(cubed) - 2a(squared) - 7a + 7
= 2a^3 - 2a^2 - 7a + 7
= 2a^2 (a -1) - 7 (a -1)
= (a - 1)(2a^2 - 7)

(a - 1) and (2a^2 - 7) are factors

answer
A) (a - 1)

Answer Link

Otras preguntas

After fertilization cells as seen here divide repeatedly. The next step in the development of a multicellular organism would be? A: cytokinesis B: cleavage C

what is the false cognate of "fábrica." fabulous fable facade fabric

Z varies inversely with the product of x and y. When x=2 and y=4, z=0.5 what is the value of z when x=4 and y=9?

what percent of an object's earth weight is its weight on mars and oon the moon

michael rented a truck for one day. there was a base fee of $20.95 , and there was an additional charge of 93 cents for each mile driven. michael had to pay $20

what should you pay attention to when you see a title for the first time?

why is an environmental contingency plan important

Which sentence is punctuated correctly? A. We used to live at 8725 Palomar Rd Princeton, NJ 08543. B. We used to live at 8725 Palomar Rd, Princeton NJ 08543

Milwaukee is 121 in Miles Due West of Grand Rapids Maria drives 255 miles in 4.75 hours from Grand Rapids to Milwaukee find her average driving speed

64 g of sulfur dioxide (SO2) contains 32 g of oxygen. Calculate how much sulfur it contains. It contains 32g of sulfur. Describe what the answer to Exten