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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

5. Solving Equations by Graphing

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Exercise 3 Page 243

Given an equation with variables on both sides, can you form a system of equations?

See solution.

Practice makes perfect

Consider if ax+b= cx+d was given as an equation with variables on both sides. One could form and solve the following system of linear equations.

y= ax+b y= cx+d The solution to such a system can be found both algebraically and graphically. Solving algebraically, the goal would be to isolate the value of x using either the Substitution Method or the Elimination Method. When solving graphically, the solution is the x-value of the point of intersection of the lines of both graphs.

Subchapter links

Communicate Your Answer p.243

Monitoring Progress p.244-246

Exercises p.247-248