Which of the following statements is/are ALWAYS TRUE about perpendicular lines? I. Intersecting lines are perpendicular. II. The angle between any two perpendicular lines is equal to 90°. III. The two lines are intersecting each other at an acute angle. IV. Horizontal line lying on the x-axis is perpendicular to a line with a decreasing slope. O IV only O I and III O Il only O Il only O no correct answer

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Which of the following statements is/are ALWAYS TRUE about perpendicular lines?
L Intersecting lines are perpendicular.
II. The angle between any two perpendicular lines is equal to 90°.
OL The two lines are intersecting each other at an acute angle.
IV. Horizontal line lying on the x-axis is perpendicular to a line with a decreasing slope.
O Vonly
O l and II
Ol only
Ollonly
uuichornrect answor
Transcribed Image Text:Which of the following statements is/are ALWAYS TRUE about perpendicular lines? L Intersecting lines are perpendicular. II. The angle between any two perpendicular lines is equal to 90°. OL The two lines are intersecting each other at an acute angle. IV. Horizontal line lying on the x-axis is perpendicular to a line with a decreasing slope. O Vonly O l and II Ol only Ollonly uuichornrect answor
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