Module 7 topic 1 notes and instruction
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Transcript of Module 7 topic 1 notes and instruction
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Our body systems are interconnected and dependent on
each other!It takes all the systems for human
growth and development.
How is this related to a system of linear equations?
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Think back to linear equations! Given y = 2x – 3, a "solution" to this equation was any (x, y)
point that "worked" in the equation, made the equation TRUE!
y = 2x – 31 = 2(2) – 31 = 4 – 3
1 = 1(2,1) is a solution since the statement is true!
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Graphing is one of many methods used to solve a linear system.
Solving Linear Systems by Graphing
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Linear Systems Intersect at (3,0)
−=
+−=
23
2
3
xy
xy
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The equations must be in slope-intercept form: (y = mx + b)
Graph the system. Find the point(s) of intersection. If they DO NOT INTERSECT … PARALLEL Lines produce NO SOLUTION b/c
there are NO POINTS in common!
SAME Lines produce MANY SOLUTIONS b/c they share ALL POINTS!
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After reading the material in this topic, it is time to check your knowledge.
You may repeat the practice until you have received a score of 80 or above!
Once you have successfully completed this assignment, you can move to the Mastery Assignments.