Understanding key terms

If two lines intersect then the intersection is a point.

• False

• True

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Which line, that "opposite side" with line AD

• Line AB

• Line DC

• Line BC

• Line CD

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Select the correct definition.

Transversal

• a line with an endpoint and continues in the other direction.

•  two angles that intersect to form right angles.

• angles that are in the same position on two parallel lines in relation to a transversal.

• a line that intersects two or more other lines.

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What is a Vertex?

• Two rays.

• When two arrows go on forever.

• The place where lines or segments meet.

  (Vertices - more than one vertex)

• The middle.

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Select the correct definition.

Parallel Lines

•  a figure formed by two rays with a common endpoint.

• two lines that intersect to form right angles.

• two lines in the same plane that will never intersect or cross.

• angles that share a ray.

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Lines that are always the same distance apart.  They do not intersect.

• Parallel 
• Prime
• Reciprocal
• Volume

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What are lines that intersect to form a right angle called?

• Interesecting lines

• Line segment

• Perpendicular lines

• Lines

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What slope is perpendicular to:

m = -3

• -3

• -1/3

• 1/3

• 3

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Parallel lines ...

• will never intersect

• intersect to form right angles

• are curved lines

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Two lines that form a right angle at their point of intersection are called _____________________.

• Collinear Lines

• Parallel Lines

• Perpendicular Lines

• Line Segments

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