Question

If one term of a proportion is not known, what can be used to find the value of that term? a. substitution c. cross-multiplication b. graphing d. adding all the numbers together Please select the best answer from the choices provided

Answer 1

Hint: Selecting "AUTO" in the variable box will make the calculator automatically solve for the first variable it sees. Quick-Start Guide. The calculator uses cross multiplication to convert proportionsinto equations which are then solved using ordinary equation solving methods. Be sure to enter something in each input box ...