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

Wind power has a cubic dependency on wind speed. How much power will a wind-powered turbine generate for a wind speed of 8 m/s, if it generates 100 kW when the

Suppose you have three identical metal spheres, A, B, and C Initially sphere A carries a charge q and the others are uncharged. Sphere A is brou contact and sep

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Match each situation to its corresponding expression.

Can someone help me out. Thx

significant digits show the _____ of measurements and calculations. 1) accuracy 2) precision

What is the energy stored between 2 Carbon nuclei that are 1.00 nm apart from each other?

As the screen’s size and resolution change, the _______________ property for a control automatically resizes the control.

If a point charge of -30 µC experiences an electrostatic upward force of 27 mN at a certain location in the laboratory, what are the magnitude and direction of

29 degrees C to Fahrenheit.

How does the conflict affect the plot?