SOLUTION: Using a Celsius scale, water freezes at 0°C and boils at 100°C. Using a Fahrenheit scale, water freezes at 32°F and boils at 212°F. If x represents the temperature in degrees Celsi

Algebra ->  Equations -> SOLUTION: Using a Celsius scale, water freezes at 0°C and boils at 100°C. Using a Fahrenheit scale, water freezes at 32°F and boils at 212°F. If x represents the temperature in degrees Celsi      Log On


   

Question 936065: Using a Celsius scale, water freezes at 0°C and boils at 100°C. Using a Fahrenheit scale, water freezes at 32°F and boils at 212°F. If x represents the temperature in degrees Celsius, which equation can be used to determine y, the temperature in degrees Fahrenheit?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

x=0, y=32
x=100, y=212
y=mx%2Bb
32=m%2A0%2Bb=> b=32
212=m%2A100%2B32=>m=%28212-32%29%2F100=180%2F100=9%2F5
so, your equation is:
y+=+%289%2F5%29+%28x%2B32+%29