You advance 3 levels in 15 minutes. Your friend advances 5 levels in 20 minutes. Are these rates proportional? Explain.
2 answers:
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<h2>Points of Intersection</h2>
To find the point of intersection of two lines, we can use substitution to find the <em>x</em> and <em>y</em> coordinates.
<h2>Solving the Question</h2>We're given:
Use substitution to find <em>x</em>:
Use substitution to find <em>y</em>:
The point of intersection is (2,-2).
Answer:
No solutions.
Step-by-step explanation:
No solutions because these two lines are parallel.
You can tell by the slopes. Both slopes are equal -3.
The -2 and vertically shift the lines.
