Section 11 1 Solving Linear Systems by Graphing

Section 11. 1: Solving Linear Systems by Graphing 1

Objective(s): By following instructions, students will be able to: 1. find the solution of a system of linear equations by graphing. 2

consistent system: a system with at least one solution ● independent solution- a system with only one solution ● dependent solution- a system with infinitely many solutions. inconsistent system: a system with no solutions. 3

explain 1 A Solve the system of linear equations by graphing. Check your answer. 4

explain 1 B Solve the system of linear equations by graphing. Check your answer. 5

Your-Turn #1 Solve the system of linear equations by graphing. Check your answer. a) b) 6

explain 2 A Solve the system of linear equations by graphing and identify the system. 7

explain 2 B Solve the system of linear equations by graphing and identify the system. 8

Your-Turn #2 Solve the system of linear equations by graphing. Check your answer. a) b) 9

explain 3 A Estimate the solution of the linear system by using a graphing calculator. 10

explain 3 B Estimate the solution of the linear system by using a graphing calculator. 11

Your-Turn #3 Estimate the solution of the linear system of equations by graphing. a) b) 12

explain 4 Rock and Bowl charges $2. 75 per game plus $3 for shoe rental. Super Bowling charges $2. 25 per game and $3. 50 for shoe rental. For how many games will the cost to bowl be approximately the same at both places? What is that cost? 13

Revisit Objective(s): Did we. . 1. find the solution of a system of linear equations by graphing? 14

HW: Sec 11. 1 pg 394 #s 1 -17 ODD, 18 -24 even (skip 22) 15