Given points how do you determine if the lines created from ordered pairs are penpendicular or not.
Review: Lines are perpendicular if the slopes are negative reciprocals or multiply to -1
Step 1. Use the slope equation to calculate the slope from the ordered pairs.
Step 2. Look at the slope from each line and see if they are a negative reciprocal or if you multiply the two slopes together it equals -1
For more on perpendicular lines see MooMooMath/Perpendicular Lines
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