jdlogo

jdlogo

jdlogo

jdlogo

jdlogo

Home

Coordinates,Distance and Midpoint

Linear Inequalities

The Graphical Method

Substitution & Elimination

Solving Systems Using Matrices

Problem Solving

Systems of Inequalities

Systems with 3 Equations in 3 Unknowns

Review&Test

 

jdsmathnotes

 


UNIT 2  : SYSTEMS OF EQUATIONS

LESSON 4 :  PROBLEM SOLVING USING SYSTEMS OF EQUATIONS HOMEWORK QUESTIONS

 

 

 

 

Quick  Review

 

 

Rectangular Callout: Strategies for Solving Word Problems Involving Two Unknowns. § What is unknown or what are you asked to find?. § Assign a different variable to each unknown. § Translate each statement about the unknowns into an equation. § Solve the resulting system of equations using substitution, elimination or matrices. § Make a conclusion answering the question posed in the problem. § Check your conclusion using the original wording of the problem, not the equations.

 

 


Homework Questions.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Direction

Distance

Speed

Time

Equation(d=st)

Port. – San D.

San D. – Port.

 

 

 

 

 

Distance

Speed

Equation(t=d/s)

At 50 mph

At 70 mph

 

 

 

 

Direction

Distance

Speed

Time

Equation(d=st)

L.A. – N.York.

N. York – L.A..

 

 

 

 

Return to top of page

Click here to return to lesson