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y-intercept: Start here.
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TODAY IN ALGEBRA 2.0…
Warm Up: Solving for y
Learning Goal 1: 3.1 You will solve linear systems by graphing
Independent Practice-Assignment #1
Learning Goal 2: COE – Tour de Frank
COE: Tour de Frank-Friday
WARM UP: Identify the slope and y-intercept of the line with the given equation.1. 2. 3.
Or
Or
Graph y-intercept: Start here.
Slope = : Run is always to the right.
3.1 SOLVING LINEAR SYSTEMS BY GRAPHINGIMPORTANT VOCABULARY• SYSTEM OF LINEAR EQUATIONS: two or more linear equations
• SOLUTION OF A SYSTEM: where the graphs intersect
3.1 SOLVING LINEAR SYSTEMS BY GRAPHINGPRACTICE: Use the graph to solve the system: SOLVE FOR y to graph:(1) (2)
(2 ,2)
3.1 SOLVING LINEAR SYSTEMS BY GRAPHINGCLASSIFYING SYSTEMS:
CONSISTENTone or more solutions
INCONSISTENTno solutions
one solutionINDEPENDENT
more than 1 solution
DEPENDENT
3.1 SOLVING LINEAR SYSTEMS BY GRAPHINGPRACTICE: Use the graph to solve the system: Classify the system as consistent and independent, consistent and dependent, or inconsistent.
3.1 SOLVING LINEAR SYSTEMS BY GRAPHINGPRACTICE: Use the graph to solve the system: Classify the system as consistent and independent, consistent and dependent, or inconsistent.
3.1 SOLVING LINEAR SYSTEMS BY GRAPHINGEXAMPLE: You are going to sell ice cream. It costs you $12 to get all the equipment and $0.5 to make each cone. You will sell each cone for $2 each. How many cones do you need to sell to break even and at what cost?1. Write your equations:
2. Graph your lines and find the solution.
Sell 8 cones to break even at a cost of $16.
(8 ,16)22
IN CLASS WORK #1:
Pg. 156: 9-12, 19-23, 35-36
Due in class
COE:Tour de Frank