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Vocabulary
Identifying and Plotting Coordinates
Polygons
Line Segments
Real World Graphing
100
Define Coordinates
An ordered pair of numbers that gives the coordinate on the coordinate plane.
100
Which coordinate is listed first in a coordinate pair?
x coordinate
100
Use graph paper for the following question. Plot the following points and identify the polygon. E(0, -2); F(-3,1); G(-5,-1) and H (-2,-4).
The polygon is a rectangle.
100
Use graph paper. Plot each pair of points on a coordinate plane. Connect the points to form a line segment and find its length in units. C(-2,4) and D(6,4).
The line segment is 8 units.
100
Look at page 70 in your book and complete problem 27.
A(-40, 100); B(-40, 20); C(-60,20); D(-60,-40); E(60,-40); F(60,20); G(40,20); H(40, 100)
200
What are the letters that represent the two different axes on the coordinate and which direction does each line travel?
x and y, and the x axis is horizontal and the y axis is vertical.
200
How do you identify a reflection?
A reflection is the mirror image of a point across a given axis.
200
Plot the following points on graph paper and then identify the polygon. E(-1,6); F(-3,3); G(3,3); and H (5,6)
The polygon is a parallelogram.
200
Use graph paper. Plot each pair of points on a coordinate plane. Connect the points to form a line segment and find its length in units. G(-5,-4) and H(2, -4)
The line segment is 7 units.
200
Complete problem 28 on page 70.
|100| + |-40| +|40|=100+40=140 The shortest distance between the entrance and line segment DE of the room is 140 feet.
300
What is a linear graph?
A graph that represents the data in a straight line.
300
Open your books to page 68 and complete problem 2.
A(3,5); B(-2, 0); C(7, -2); D(0, -5) and E (-3, -8)
300
Plot the following points on a coordinate plane and identify the polygon. P(2,7); Q(-1,7); R(-5,4) and S (4,4)
The polygon is a trapezoid.
300
Use graph paper. Plot each pair of points on a coordinate plane. Connect the points to form a line segment and find its length in units. M(5,2) and N(5,-5)
The line segment is 7 units.
300
Complete problem 29 from page 70.
The total distance is 160 feet.
400
What is a coordinate plane?
A grid formed by a horizontal number line, called the x-axis, and a vertical number line called the y-axis. The two number lines intersect at zero and form four right angles.
400
Point A is located at (-6, 2). Where is the reflection of point A located across the x-axis?
(-6, -2)
400
Plot the following points on a coordinate plane and then identify the specific type of polygon. A(4,7); B(4,1); C (8,1)
The polygon is a right triangle.
400
Use graph paper. Plot each pair of points on a coordinate plane. Connect the points to form a line segment and find its length in units. D(-6, -4) and E (6,-4)
The line segment is 12 units.
400
Complete problem 30 from page 70.
The floor area of the room is 13,600 square feet.
500
What are the four quadrants of the coordinate plane and which types of numbers are used in each quadrant? List the types of numbers, positive or negative, as a pair of symbols.
Quadrant 1 is the top right, 2 is the top left, 3 is the bottom left, and 4 is the bottom right. 1 (+,+); 2 (-,+); 3 (-,-), and 4 (+,-).
500
Point C is located at (-3, -5). What is the reflection of C across the y-Axis?
(3, -5)
500
Plot the following points on a coordinate plane and identify the specific type of polygon. J(-5,2); K(1,-2); and L(5,-2)
The polygon is a scalene triangle because it has no equal sides.
500
Use graph paper. Plot each pair of points on a coordinate plane. Connect the points to form a line segment and find its length in units. H(4,10) and G (4, 2)
The line segment is 8 units.
500
Solve problem 32 on page 71.
See answers on the overhead.