1)Find a mathematical model for the verbal statement. (Usekfor the constant of proportionality.)

• Avaries directly as the square ofr

2)Find a mathematical model for the verbal statement. (Usekfor the constant of proportionality.)

yvaries inversely as the square ofx.

3)Find a mathematical model for the verbal statement. (Usekfor the constant of proportionality.)

Fvaries directly asr²

and inversely asg

4)Find a mathematical model for the verbal statement. (Usekfor the constant of proportionality.)

zvaries jointly as thequarticofxand thequarticofy

5)Find a mathematical model that represents the statement. (Determine the constant of proportionality.)

Avaries directly asr².(A= 9whenr= 3.

6)Find a mathematical model that represents the statement. (Determine the constant of proportionality.)

yis inversely proportional tox.(y=9whenx=8.)

7)Find a mathematical model that represents the statement. (Determine the constant of proportionality.)

Fis jointly proportional torand the third power ofs.(F=1144whenr=13ands=2.)

8)Find a mathematical model that represents the statement. (Determine the constant of proportionality.)

zvaries directly as the square ofxand inversely asy.(z=15whenx=15andy=12.)