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4 cards from this section. Quick, good the night before a test.
What does it mean if two lines representing linear equations intersect at a point?
Think about what an intersection implies.
When are two equations considered inconsistent?
Recall the graphical representation of lines.
What do intersecting lines on a graph signify?
Visualize the graph with two crossing lines.
If the lines are parallel, what can we conclude?
Consider the properties of slopes.
Solve the equations 5x - 3y = 4 and 2y - x = 6 using both the substitution and elimination methods. Are the solutions consistent?
Use elimination to isolate variables and verify.
Create a real-world scenario where you can apply linear equations to find a solution. Formulate the equations and solve them.
Set up equations that represent their combined financial situations.
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