Graph by Making a Table:
\The equation is .
Make a table; choose some values for x and find the corresponding values for y.
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
x \ | \
y = –x \ | \
y \ | \
(x, y) \ |
\
– 2 \ | \
= – (– 2) = 2 \ | \
2 \ | \
(– 2, 2 ) \ |
\
– 1 \ | \
= – (– 1) = 1 \ | \
1 \ | \
(– 1, 1) \ |
\
0 \ | \
= – ( 0 ) = 0 \ | \
0 \ | \
(0, 0) \ |
\
1 \ | \
= – ( 1) = –1 \ | \
–1 \ | \
(1, – 1) \ |
\
2 \ | \
= – ( 2) = – 2 \ | \
– 2 \ | \
(2, – 2) \ |
Use these ordered pairs to graph the equation.
\1. Draw a coordinate plane.
\2. Plot the points.
\3. Draw a line through these points.
\4.Draw a line .
The graph of and
both have a y-intercept of 0, but the graph of
has aslope of instead of 1.
The graph of and
both have a y-intercept of 0, but the graph of
has aslope of instead of 1.