Chapter 4: Q 316 (page 473)
In the following exercises, solve each system by graphing.
Short Answer
The solution of the equation is dark shaded region.
Chapter 4: Q 316 (page 473)
In the following exercises, solve each system by graphing.
The solution of the equation is dark shaded region.
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Get started for freeIn the following exercise, solve the systems of equations by elimination.
Translate to a system of equations and then solve:
Charlie left his motherโs house traveling at an average speed of miles per hour. His sister Sally left minutes later traveling the same route at an average speed of miles per hour. How long before Sally catches
up to Charlie?
Translate to a system of equations and then solve:
A Mississippi river boat cruise sailed miles upstream for hours and then took hours to return to the dock.
Find the speed of the river boat in still water and the speed of the river current.
Without graphing, determine the number of solutions and then classify the system of equations.
To decide whether it would be more convenient to solve the system of equations by substitution or
elimination.
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