Activity Overview
In this activity, students will use various features of the calculator to investigate the solutions to a variety of equations, and to solve finance problems.
Before the Activity
See the attached PDF file for detailed instructions for this activity
Print pages 51 - 64 from the attached activity PDF file for your class
During the Activity
Distribute the pages to the class.
Follow the Activity procedures:
Solving a System of Linear Equations:
Enter the number of equations
Enter the equations and record the coefficients
Obtain the solution to the system
Finding Roots of Polynomials:
Enter the order and the coefficients of the polynomial
Find the solution to the system and store the value of the roots
Solving Equations Using the SOLVER Function:
Enter a non-polynomial equation
Graph the expression
Set the Trace value of x as the initial value
Solve to obtain the second solution of the equation
Solving an Integral Equation:
Enter the equation
Enter an initial guess for the main variable
Solve for the value of the main variable
Multivariable Equations:
Enter the equation and the coefficients
Set the values for the variables
Graph the expression, with one variable being treated as a constant
Change the value of the variable and graph the expression again
Obtain the solution of the system
Finding Zeros of a Function:
Enter the expression
Assign values to the variables
Obtain the solution for the equation
Graph the expression and observe the number of solutions
Trace the graph and obtain all solutions
Solving a Matrix Equation:
Enter the matrix equation
Determine the initial value of x and set the bound
Plot the graph
Trace the most negative solution
Solve the equation
After the Activity
Review student results:
As a class, discuss questions that appeared to be more challenging
Re-teach concepts as necessary