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

4) A light object is dropped from rest. It falls a large distance vertically through air. How can the motion of the object be described?

When writing a cadenza, you could use expression to show what your instrument can do. Which of the following would be an example of this? A. Work out ways of ma

I NEED HELP!!!!!!!!!!!!!!!!!

A 2400-kg car is moving at 20 m/s when it slams on the brakes and skids to a stop with a leftward acceleration of 7 m/s/s.

1. Describe four ways in which enthalpy changes for a reaction may be represented. 2. Use the four methods to represent the dissolving of sodium chloride (Delt

The Ajax Corporation is proud of its quality- control program. It employs two quality engineers at an average $ 35,000 salary for quality planning and engineeri

PLS HELP ME WITH THIS (20 POINTS)

Poison Ivy received a total piecework paycheck of $465.47. She receives 89 cents per unit produced. How many units did she produce?

Red 6.50 x 109 m type your answer... x 1016 5.1 type your answer.... x 10-17 J

Let g(x) = -2x-1 and f(x)=x²-3. Find (gof)(-6)