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- Advanced algebra ii: activities
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- Homework: solving linear equations
This module provides practice problems related to solving linear equations using matrices.
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A
Solve these two equations by either substitution or elimination.
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B
Now, rewrite those two equations as a matrix equation.
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C
Solve the matrix equation. Your answer should be in the form of a matrix equation:
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D
Now, using your calculator, find the numbers for your equation in part (c). Do they agree with the answers you found in part (a)?
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A
Solve by using matrices on your calculator.
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B
Hey, what happened? Why did it happen, and what does it tell you about these two equations?
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A
Solve. ("Hey there's no
in the last equation!" Right. So the coefficient of
is 0.)
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B
Check your answers.
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Source:
OpenStax, Advanced algebra ii: activities and homework. OpenStax CNX. Sep 15, 2009 Download for free at http://cnx.org/content/col10686/1.5
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