PRC-2 · Chapter 2 · Question 25 of 45
Which of the following mathematical conditions must be met for two distinct straight lines to be strictly parallel?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: D) Their slopes must be exactly equal.
Explanation
Parallel lines run perfectly alongside each other without ever intersecting. For this to happen in a coordinate plane, they must rise or fall at the exact same rate, meaning their slopes must be strictly equal.
More Coordinate System and Its Application MCQs
- Q27What are the coordinates of the exact midpoint of a line segment connecting the points (4, -2) and (10, 6)?
- Q28In a standard linear total cost function formatted as C(x) = mx + c, what specific financial component does the y-intercept 'c' represent?
- 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?
- Q31What is the formula for calculating Simple Interest (I)?