Alg 2 Lesson 8.1 Systems of Linear Equations in 2 Variables

Lesson 8.1

Systems of Linear Equations in Two Variables

​

Multiple Choice

Solve by the addition method:

 $2x=9+3y$  
 $4y=8-3x$  

•  $\left(\frac{60}{17},\ -\frac{11}{17}\right)$  

•  $\left(60,\ -11\right)$  

• I don't know

• Not solvable

Open Ended

A company that manufactures running shoes has a fixed cost of $300,000. Additionally, it costs $30 to produce each pair of shoes. They are sold at $80 per pair.

c) Determine the break-even point. Describe what this means.