From the information, write the degree of Celsius as x - coordinate and the degree of Fahrenheit as y - coordinate.
\From the information, the points are
.
Substitute the values of
in the slope formula
.
.
To write the line equation, we can use either of the two given points.
\Consider the point (0, 32).
\Substitute
in point-slope form equation or
.

Add 32 to each side.
\
.
The slope
and y - intercept
.
The line equation is
.
Substitute the value of
in the above equation.



.
The corresponds to a temperature of
is
.