Chapter 4.4, Problem 14CB

To determine

The solution of the given equation $-3y-1=3.5$ by using the graphing utility.

Answer to Problem 14CB

  $y=-1.5$

Explanation of Solution

Given information:

The given equations is $-3y-1=3.5$ .

Graph:

Step 1: Press the button “Y=” and then write the equation $Y_1=-3X-1$ and $Y_2=3.5$ .

Step 2: Now, set the viewing window as shown below:

  $\begin{array}{l}{X}_{\min }=-5,X_{\max }=5,X_{scl}=1\\ Y_{\min }=-5,Y_{\max }=5,Y_{scl}=1\end{array}$

Step 3: Press the button “GRAPH”.

Step 4: Find the intersection point by pressing $2\text{nd}$ button then press $\text{TRACE}$ button and select 5.