barailyayushouui7r barailyayushouui7r
  • 01-05-2018
  • Mathematics
contestada

For what value of p,-4 is a zero of the polynomial x square-2x-(2p+3)

Respuesta :

calculista
calculista calculista
  • 10-05-2018
we have that
x²-2x-(2p+3)

if 
-4 is a zero of the polynomial
so
for x=-4
x²-2x-(2p+3)=0----> (-4)²-2*(-4)-(2p+3)=0-----> 16+8-2p-3=0
21-2p=0
2p=21
p=21/2-----> p=10.5
Answer Link

Otras preguntas

Find three rational numbers between -2 and 1 ?
Johannes Kepler is known for which discovery in astronomy? discovering planets around other stars determining planetary laws of motion recording 20 years of
Points A and B have opposite x-coordinates but the same y-coordinates. How many units away are each of the points from the y-axis?
A 230 g air-track glider is attached to a spring. The glider is pushed in 8.2 cm and released. A student with a stopwatch finds that 13 oscillations take 19.0 s
Help me on Geometry!!! ​
Which defines napoleons impact on Europe? A. Many Germanic territories were united. B. Portugal ceased to exist as a country. C. The invasion of Britain ended i
Tyler has a 28 percent marginal tax rate. His employer is willing to provide health insurance coverage for Tyler if he will agree to a salary reduction. The ins
A catapult used by medieval armies hurls a stone of mass 32.0 kg with a velocity of 50.0 m/s at a 30.0 degree angle above the horizontal. What is the horizontal
Sum of -2 and -3 using number line
Helpppppppppppppppppp