LMixer5sosCR7Fan
LMixer5sosCR7Fan LMixer5sosCR7Fan
  • 03-10-2017
  • Mathematics
contestada

Please help ASAP!


If -3 is a zero of P(x) = 2x^3 + 3x^2 - kx - 27, Find the value of k. Show steps, please.

Respuesta :

kritter1
kritter1 kritter1
  • 03-10-2017
You can just input the value of -3 into the equation to find value of k.

0=2(-3)^3 + 3(-3)^2 +3k -27
27= -54 +27 + 3k
27= -27 = 3k
27+27 = 3k
54/3 = k
18 =k

Hope I helped :)
Answer Link

Otras preguntas

What is the position of the element ammonia in periodic table?
is 5.1 greater than 5.01
A circular lid has a diameter of 12 inches. What is the exact area of the lid? A. 6π square inches B. 12π square inches C. 24π square inches D. 36π square i
how do u simplify this expression 6-7n-2n-8
1. Line segment AC touches the circle at a single point B. Line segment OB extends through the center of the circle. a. What is li
A theme park has a log that can hold 12 people. They also have a weight limit of 1500 lbs per log for safety reason. If the average adult weighs 150 lbs, the av
Explain, in terms of electrons, why the radius of a calcium ion is smaller than the radius of a calcium atom.
A cylinder with a movable piston contains a sample of gas having a volume of 6.0 liters at 293 K and 1.0 atmosphere. What is the volume of the sample after the
Which species represents a chemical compound? (1) N2 (3) Na (2) NH4+ (4) NaHCO3
Which element must be present in an organic compound?(1) hydrogen (3) carbon(2) oxygen (4) nitrogen