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Exam (elaborations)
FTCE Mathematics Test with Verified Solutions
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---20July 20242023/2024A+
- Classify the following: 
 
3x + 2y = 6 
 
-2x + 3y = 12 
 
A. Parallel 
B. Perpendicular 
C. Parallel and intersecting 
D. Concurrent - B. Perpendicular 
 
Use the formula Y = MX + B 
 
That makes the lines: 
 
Y=-3/2x + 3 
Slope=-3/2 
 
Y=2/3x +6 
Slope=2/3 
 
The slopes are the exact opposite of each other so they are perpendicular 
 
Solve: 
 
5x - 7 <_ 2x - 10 
 
 
A. X <_ 1 
B. X <_ -1 
C. X >_ 1 
D. X >_ -1 - B. X <_ -1 
 
Get X on one side of the equation by subtr...
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