WARM UP RATIOS Convert the units. (Lesson 3.8) 1.5 days to hours 2.36 inches to feet 3.12 years to months 3.

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Presentation transcript:

WARM UP RATIOS Convert the units. (Lesson 3.8) 1.5 days to hours 2.36 inches to feet 3.12 years to months 3

WARM UP RATIOS Convert the units. (Lesson 3.8) 1.5 days to hours 2.36 inches to feet 3.12 years to months 2

WARM UP RATIOS Convert the units. (Lesson 3.8) 1.5 days to hours 2.36 inches to feet 3.12 years to months 1

RATIOS Convert the units. (Lesson 3.8) 1.5 days to hours 2.36 inches to feet 3.12 years to months WARM UP 0

5.6 Perpendicular LinesGOAL Write equations of perpendicular lines. KEY WORDS Perpendicular

5.6 Perpendicular Lines PERPENDICULAR QUESTION: QUESTION: What is the definition of this word? Lines that intersect at a RIGHT, or 90⁰, angle are called perpendicular. 90⁰ angle

5.6 Perpendicular Lines 3 4

EXPLORE 2.Draw a line on the graph paper that is perpendicular to the first line.

5.6 Perpendicular Lines -4 3

5.6 Perpendicular Lines

In a coordinate plane, two nonvertical lines are perpendicular if and only if the product of their slopes is -1. y = -2x + 3

5.6 Perpendicular Lines Horizontal and vertical lines are perpendicular to each other. y = 6 x = 3

5.6 Perpendicular Lines y = -3x + 4

5.6 Perpendicular Lines CHECK POINT CERTIFIED

5.6 Perpendicular Lines Page 309 #1 and 2 Graph and determine whether the lines are perpendicular for #’s 3-6 and CLASSWORK

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