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Congruence, Similarity, Right Triangles & Trig - 46%


Circles, Geometric Measurement & Geometric Properties with Equations - 38%


Modeling with Geometry - 16%


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What You Need To Know...

MAFS.912.G-GPE.2.5 - Prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems.

1. The benchmark will be assessed using Equation Response, Multiple choice Response or Open Response.

2. Items may require student to find equations of lines using the slope criteria for parallel and perpendicular lines..

3. Items may include horizontal and vertical lines.

4. Items may require students to use equations of lines in point-slope, slope-intercept, or standard form.


Example One

   GPE2 5 Ex1

Click To View Solution

Example Two

Example Three

Example Four

Additional Examples

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Parallel Lines
Parallel Lines Part II
Perpendicular Lines
Perpendicular Lines Part II
Equations of Parallel Lines
Equations of Perpendicular Lines

Reference Sheet



Select sample problems taken from FLDVIPN teacher materials

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Stephanie Fitzwater - Seminole Co.
Angela Kerins - Orange Co.
Lisa Lasseter - St. Johns Co.
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