Page 57 - Math Course 1 (Book 1)

Graph: Points and Algebraic Relationships

MO. 1 - L10b
Graph an Algebraic Your Turn!

Relationship
Graph an Algebraic Relationship

The sum of two integers is 3. If x represents the
Let’s Begin f rst integer and y represents the second integer,
make a table of possible values for x and y.

A. x y B. x y

The difference between two integers is 4. If x -3 3 -3 6
represents the f rst integer and y represents the 0 3 0 3
second integer, make a table of possible values for x
and y. Then graph the ordered pairs and describe the 2 3 2 1
graph. 3 3 3 0

First, make a table. Choose values for x and y C. x y D. x y
that have a difference of 4.
-3 0 -3 0
x - y = 4 0 -3 0 3
x y (x, y) 2 -5 2 5
2 -2 (2, -2) 3 -6 3 6
1 -3 (1, -3)

0 -4 (0, -4) Answer
-1 -5 (-1, -5)
-2 -6 (-2, -6)
The sum of two integers is 3. If x represents the
f rst integer and y represents the second integer,
Then graph the ordered pairs on a coordinate graph possible ordered pairs.
plane.

A. y
y 6
2 5
1 4
0 x 3
-4 -3 -2 -1 1 2 3 4 2
-1 1
1 2 3 4 5 6
-2 x
-6 -5 -4 -3 -2 -1
-3 -1
-2
-4
-3
-5 -4
-6 -5
-6

The points in the graph are on a line
Answer that slants upward to the right.
The line crosses the y-axis at y = –4.

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