THETA DIVISION

Question 95

Analytic Geometry★★Question Bank

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Question

Consider two perpendicular lines graphed on a coordinate plane. Which of the following must be true?

\begin{array}{ll} \text{I.} & \text{Two perpendicular lines will always intersect exactly once}\\ \text{II.} & \text{For any line, there is exactly one possible perpendicular line}\\ \text{III.} & \text{Two perpendicular lines are inverses of each other}\\ \text{IV.} & \text{If a line is a function, then a line perpendicular to it must also be a function.} \end{array}

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Question

Consider two perpendicular lines graphed on a coordinate plane. Which of the following must be true?

\begin{array}{ll} \text{I.} & \text{Two perpendicular lines will always intersect exactly once}\\ \text{II.} & \text{For any line, there is exactly one possible perpendicular line}\\ \text{III.} & \text{Two perpendicular lines are inverses of each other}\\ \text{IV.} & \text{If a line is a function, then a line perpendicular to it must also be a function.} \end{array}