Chapter 5

How do you determine if given values are a solution to a system of linear equations?

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How do you find the solution to a system of linear equations on a graph?

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Using substitution what is the easiest way to start this problem?

• Solve for x in equation 2

• Solve for x in equation 1

• Solve for y in equation 2

• Solve for y in equation 1

When using elimination, what is the first thing you should do?

• Cancel out the y's immediately by adding the equations

• Check all coefficients first to make the best decision

• Multiply equation 1 by -1

What do parallel lines have in common?

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Do you need to graph parallel lines to find their solution?

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What is unique if there are infinitely many solutions to a system of linear equations?

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What are the equations you would use to graph the system?

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When working with absolute values, how many answers do you normally have?

• 1

• 2

• 3

When working with absolute values, how many lines do you need to graph?

• 1

• 2

• 3

• 4