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Section 1.1
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Warm UpGraph each inequality.
1. x ≥ 3
2. 2 ≤ x ≤ 6
3. x < 1 OR x > 0
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y
x
Quadrant 1Quadrant 2
Quadrant 3 Quadrant 4
A point on the coordinate plane is called an
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Points A, B and C are on the same line. Therefore, they are called
Points A, B, C, D and E are not on the same line. Therefore they are called
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Points, Lines and PlanesA dot is called a A point must be written with a capital letter.
Two or more collinear points make up a A line is named by any ____ points on that line
or by the lower case script letter.
Two lines intersect at a
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Two or more lines, make up a Points in the same plane are called A plane is
a flat surface that extends indefinitely in all directions.
A plane can be named by a capital script letter or by any _____ non-collinear points on the plane.
Two planes intersect at a line.
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1. What is the intersection of plane P and R?
2. Are points F and C coplanar?
3. Are points F, D and G collinear?
4. What do the dotted lines represent?
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A. Name four coplanar points.
B. Name three lines.
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Draw and label each of the following.
A. a segment with endpoints M and N.
B. opposite rays with a common endpoint T.
C. Draw and label a ray with endpoint M that contains N.
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1. Two opposite rays.
3. The intersection of plane N and plane T.
4. A plane containing E, D, and B.
2. A point on BC.
Section Quiz
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5. a line intersecting a plane at one point
6. a ray with endpoint P that passes through Q
Draw each of the following.