Line qr contains (2, 8) and (3, 10) line st contains points (0, 6) and (−2, 2). lines qr and st are

Asked by maham237 @ in Mathematics viewed by 452 People

Line QR contains (2, 8) and (3, 10) Line ST contains points (0, 6) and (-2, 2). Lines QR and ST are (4 points)
Select one:
a. parallel because the product of the slopes is -1
b. perpendicular because the product of the slopes is -1
c. parallel because the slopes are the same
d. perpendicular because the slopes are the same

Answered by maham237 @


Slope formula:
m = y2 - y1 / x2 - x1

Line QR: (2,8) (3,10)
m = 10 - 8 / 3 - 2 = 2 / 1 = 2

Line ST: (0,6) (-2,2)
m = 2 - 6 / -2 - 0 = -4/-2 = 2

c. parallel because the slopes are the same

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