A _____ is a command that tells an object to perform a certain method.

Data flow diagram (DFD) entities are also called _____ because they are data origins or final data destinations.

In data and process modeling, a(n) _____ shows what the system must do, regardless of how it will be implemented physically.

The _____ is the most pessimistic outcome of a task.

The _____ is a widely used method of visualizing and documenting software systems design.

_____ means that a proposed system will be used effectively after it has been developed.

For the quadratic function f(x) = x2 – 6x – 7: a) Find the y-intercept. b) Write the equation in factored form. c) Write the x-intercepts. d) Find the vertex (h,k). e) Using the vertex you just found, write the vertex form of the equation in the form  f(x)=a(x – h)2 + k   or   f(x)=a(x – h)^2 + k.

Given the general form of a quadratic equation: answer the following questions.                                                                         a) Does the graph open up or down? b) Is the vertex a minimum or maximum?  

Find all the real zeros for the function given that x=2 is a zero. Use exact answers only, no decimal answers. (Hint: divide)

In the rapid application development (RAD) model, the _____ phase focuses on program and application development tasks similar to the SDLC.