# Parallel and Perpendicular Assignment Parallel Lines Parallel lines

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Parallel and Perpendicular Assignment

Parallel Lines • Parallel lines are lines that have the same slope but have different yintercepts. • Ex; y = 30 x + 10 and y = 30 x + 60 • These lines will never cross because think about it, if you and your buddy run the exact same speed (mph) then how can you catch your buddy if he starts 50 ft ahead of you.

Example: Perpendicular is reciprocal or flipped slope and different sign. • .

Example: Perpendicular is reciprocal or flipped slope and different sign. • .

Example: Perpendicular is reciprocal or flipped slope and different sign. • .

Perpendicular lines •

Example: Perpendicular is reciprocal or flipped slope and different sign. • .

Example: Perpendicular is reciprocal or flipped slope and different sign. • Slope 4 is flipped to ¼ and the sign changes from positive to negative. Also goes thru (8, 2) -1/4(8) + 4 = 2 – Easy!!!!

Parallel To x - axis y = 6 y = 3 No x only y intercept because there is no slope or tilt to the line. y = 1

Parallel To y - axis x = 2 x = 5 y = 9 No y = because the slope is undefined and there is no y intercepts

Question What is the line that is parallel to the x axis and goes thru the point (3, 5) a. ) y = 3 B. ) y = 5 C. ) x = 3 D. ) x = 5

Question What is the line that is parallel to the x axis and goes thru the point (3, 5) a. ) y = 3 B. ) y = 5 C. ) x = 3 D. ) x = 5

Question 2 What is the line that is parallel to the x axis and goes thru the point (6, 4) a. ) y = 6 B. ) y = 4 C. ) x = 6 D. ) x = 4

Question 2 What is the line that is parallel to the y axis and goes thru the point (6, 4) a. ) y = 6 B. ) y = 4 C. ) x = 6 D. ) x = 4

Assignment Question #1 •

Assignment Question 2 What is the line that is parallel to the x axis and goes thru the point (-6, 5) a. ) y = 5 B. ) y = -6 C. ) x = 5 D. ) x = -6

Assignment Question 3 What is the line that is parallel to the y axis and goes thru the point (5, 2) a. ) y = 5 B. ) y = 2 C. ) x = 5 D. ) x = 2

Assignment Question 4 • How do the two graphs compare to one another • Line g f(x) = 4 – 2 x • Line r f(r) = -2 x – 7 • A. ) Line g is steeper than line r • B. ) They are parallel • C. ) They are perpendicular • D. Line g is less steep than line r

Assignment Question 5 •

Assignment Question 6 •

Assignment Question 7

Assignment Question 8

Assignment Question 9

Assignment Question #10 •

Assignment Question 11 What is the line that is parallel to the y axis and goes thru the point (6, 3) a. ) 6 x + 3 y = 12 B. ) y = 3 C. ) x = 6 D. ) x = 3

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