rayaneqds rayaneqds

19-06-2016
Mathematics

contestada

Determine the numerical value of y=(a+1)(b+1), Knowing that ab= -6 and a+b=1

Respuesta :

JoshEast JoshEast

19-06-2016

y = (a + 1) (b + 1)
Expand the RHS of the equation

y = ab + a + b + 1
Since ab = - 6 and a+b = 1 by substituting the known values into the expanded equation

y = (ab) + (a + b) + 1
= (-6) + (1) + 1
= - 4

Answer Link

Otras preguntas

which option is the correct answer? (picture of problem attached)

Umm. Yes again sorry

Which of the following contributed to upsurge in reading and writing? The Renaissance The interest in trade and travel Feudalism

Which empire or dynasty introduced the concept of Mandate of Heaven, made great advances in iron technology, and invented a new form of portable money? Shang H

What is ( -3 ) x ( -3 ) in exponential form

The height h in feet of a projectile launched vertically upward from the top of a 96 foot tall bridge is givem by h=90+16t-16t^2 where t is time in seconds. Wha

What is the most effect way to include space after each paragraph

The process of purifying raw sewage is known as _____. chlorination sewage treatment secondary treatment filtering

Plz help me! Thx if you helped

Hat is standard form of two hundred ten million sixty four thousand fifty