Question

Why ch of these is an example of a literal equation ? A.3x-4yB.6+30=6^2C.ax-by=kD.12=9+3x

Answer 1

The Solution:

We are asked to identify a literal equation in the given options.

Step 1:

Definition of a literal equation.

A literal equation is an equation with more than one variable.

For example, the formula for the area of a circle as given below:

$A=\pi r^2$

So, the example of a literal equation in the given options is:

$\begin{gathered} ax-by=k \\ \text{ Since it has more than one variable and it has an equality sign.} \end{gathered}$

Therefore, the correct answer is [option C]