QUESTION IMAGE
Question
determine whether each congruence statement is always true, sometimes true, or never true. move the answers to the correct boxes. (overline{lm} cong overline{mp}) (overline{jp} cong overline{qp}) (overline{hp} cong overline{hl}) (overline{jl} cong overline{jm}) (overline{mk} cong overline{mq}) always true sometimes true never true
Response
To solve this, we analyze each congruence statement based on the diagram (perpendicular lines, with \( M \) as the intersection, and points on the lines):
1. \( \boldsymbol{\overline{LM} \cong \overline{MP}} \)
- \( M \) is the midpoint of \( \overline{LP} \) (since \( LP \) is a straight line through \( M \))? Wait, no—unless specified, \( LM \) and \( MP \) could be equal or not. But in the diagram, \( M \) is the intersection of two perpendicular lines, but \( LP \) is horizontal through \( M \). However, unless \( M \) is the midpoint, \( LM \) and \( MP \) might not be congruent. Wait, actually, in the diagram, \( M \) is the intersection, but \( LP \) is a straight line, so \( M \) is the midpoint? Wait, no—if \( LP \) is a straight line with \( M \) in the middle, then \( LM = MP \). Wait, maybe I misread. Wait, the diagram shows \( L \)---\( M \)---\( P \), so \( M \) is between \( L \) and \( P \). But is \( M \) the midpoint? The diagram has a right angle at \( M \) for the vertical line, but for \( LP \), unless marked, \( LM \) and \( MP \) could be equal or not. Wait, no—actually, in the diagram, \( LP \) is a straight line with \( M \) as the intersection, but \( LM \) and \( MP \) are segments from \( L \) to \( M \) and \( M \) to \( P \). If \( M \) is the midpoint, they are congruent; otherwise, not. But the problem is about "always true," "sometimes true," or "never true."
Wait, let's re-express:
- \( \overline{LM} \cong \overline{MP} \): \( M \) is on \( LP \), but unless \( M \) is the midpoint (not necessarily given), this is sometimes true (if \( M \) is the midpoint, it’s true; otherwise, false).
- \( \overline{JP} \cong \overline{QP} \): \( J \) and \( Q \) are on the vertical line through \( M \). \( JP \) is the distance from \( J \) to \( P \), \( QP \) from \( Q \) to \( P \). Since \( P \) is fixed, and \( J, Q \) are on the vertical line, \( JP \) and \( QP \) depend on \( J \) and \( Q \)’s positions. Unless \( J \) and \( Q \) are equidistant from \( P \), this is sometimes true. Wait, no—wait, \( M \) is the intersection, so \( MP \) is horizontal, and \( J, Q \) are on vertical. \( JP = \sqrt{JM^2 + MP^2} \), \( QP = \sqrt{QM^2 + MP^2} \). So \( JP \cong QP \) only if \( JM = QM \), which is sometimes true (if \( J \) and \( Q \) are equidistant from \( M \)).
- \( \overline{HP} \cong \overline{HL} \): \( H \) is on the vertical line, \( P \) and \( L \) are on horizontal. \( HP = \sqrt{HM^2 + MP^2} \), \( HL = \sqrt{HM^2 + LM^2} \). Since \( MP = LM \) (if \( M \) is midpoint of \( LP \)), then \( HP = HL \). Wait, but earlier we thought \( LM \) and \( MP \) might be equal. Wait, maybe \( M \) is the midpoint of \( LP \), so \( LM = MP \). Then \( HP = \sqrt{HM^2 + LM^2} \), \( HL = \sqrt{HM^2 + LM^2} \), so \( HP \cong HL \) always true? Wait, no—\( H \) is on the vertical line, \( L \) and \( P \) are on horizontal, symmetric over \( M \). So \( HL \) and \( HP \) are both hypotenuses of right triangles with legs \( HM \) and \( LM \) (or \( MP \), since \( LM = MP \)). So \( HL = HP \), so \( \overline{HP} \cong \overline{HL} \) is always true.
- \( \overline{JL} \cong \overline{JM} \): \( JL \) is the distance from \( J \) to \( L \) (right triangle: \( JM \) vertical, \( LM \) horizontal), so \( JL = \sqrt{JM^2 + LM^2} \), which is always longer than \( JM \) (since \( LM > 0 \)). So \( JL \cong JM \) is never true.
- \( \overline{MK} \cong \overline{MQ} \): \( K \) and \( Q \) are on the vertical line through \( M \). \( MK \) is the distance from \(…
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- Always True: \( \overline{HP} \cong \overline{HL} \)
- Sometimes True: \( \overline{LM} \cong \overline{MP} \), \( \overline{JP} \cong \overline{QP} \), \( \overline{MK} \cong \overline{MQ} \)
- Never True: \( \overline{JL} \cong \overline{JM} \)