(4) Find B such that the equation Bx2 + x + B 0 has a repeated real solution. (5) The profit for Cocoa Board cocoa beans is given by II(x) = -15x2 + 180x - 405 thousand dollars, where x is the number of tonnes of cocoa beans produced and sold. (a) How many tonnes must be sold for to not make a loss?
(4) Find B such that the equation Bx2 + x + B 0 has a repeated real solution. (5) The profit for Cocoa Board cocoa beans is given by II(x) = -15x2 + 180x - 405 thousand dollars, where x is the number of tonnes of cocoa beans produced and sold. (a) How many tonnes must be sold for to not make a loss?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.7: Solving Systems Of Linear And Quadratic Equations
Problem 3GP
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