giani22
giani22
16-03-2022
Mathematics
contestada
can you please help me this with this ):
Respuesta :
amanukyan1962
amanukyan1962
16-03-2022
x² − 2x − 15 = (x + r)( x + s)
Factor to get: (x + 3)(x - 5) = (x + r)( x + s)
Rewrite as: (x + 3)(x + -5) = (x + r)( x + s)
So, it's possible that r = 3 and s = -5
Here, r - s = 3 - (-5)
= 8
Answer Link
VER TODAS LAS RESPUESTAS ( 37+ )
Otras preguntas
What is the answer to 5y=2x
Eva wanted to check if her 8-month-old nephew, Michael, could recognize his own reflection in a mirror. She places him in front of a mirror and applies a bit of
A circle has a radius of 6 inches. Which is the closest to the area, in square inches, of the circle?
If you invest $1,500 at the beginning of each year into an account which averages a return of 12% approximately how long will it take to accumulate $50,000 in t
How did the Anglo-American economic relationship change in the 18th century?
A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.644 A) sin [(394 rad/s)t]. (a
In 2008, the U.S. government took an 80 percent stake in AIG to stop that financial institution from collapsing, the theory being that if AIG did collapse, it w
Seasonal patterns A. cannot be predicted.B. are multiyear runs of observations above or below the trend line.C. reflect a shift in the time series over time.D.
The Immigration Act of 1924 created this organization, which was charged with policing the land boundaries of the United States and empowered to arrest and depo
pleaseeeeeeeee helppppppp meeeeeeeee!!!!!!!!! Match the term to its description. (4 points) Question 5 options: Sunspots Convection Solar flares Prominences 1.
