PRC-2 · Chapter 2 · Question 24 of 45
If Line A is defined by the equation y = 3x - 4, what must be the slope of Line B for it to be perfectly perpendicular to Line A?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: D) -1/3
Explanation
Perpendicular lines have slopes that are negative reciprocals of one another (m1 * m2 = -1). Since the slope of Line A is 3, the slope of Line B must be -1/3.
More Coordinate System and Its Application MCQs
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- Q27What are the coordinates of the exact midpoint of a line segment connecting the points (4, -2) and (10, 6)?
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- Q29Determine the x-intercept of the linear equation 4x + 3y = 24.
- Q30At what specific coordinate point do the lines y = 2x + 10 and y = 4x - 2 intersect?