### Algebra 1 PARCC question: exponential websites

Modeling real-world situations sometimes requires a linear model, sometimes an exponential model, sometimes a coffee model.

Modeling real-world situations sometimes requires a linear model, sometimes an exponential model, sometimes a coffee model.

The point at which something more expensive to buy becomes less expensive because operating costs aren’t as high can be modeled with a system of linear equations.

We have lots of equivalent ways of writing equations for lines, or linear functions, including slope-intercept, point-slope, and Ax+By=C.

You can find the average of a set of data and use it to model the behavior of a system that is under investigation in the real world.

We complete the square here, to solve a quadratic equation. Also, the question provides some useful tips about the solutions to quadratic equations.

A quick proof by induction and then minor examples allow you to test the hypothesis that the slope of a line is constant over the whole line.

Using an equation to determine the area of a rug requires you to manipulate a small mathematical model. More equation editor problems.

Functions that model a situation can determine how many tickets you need to sell or how many hours you need to work to buy tickets.

When multiplying rational and irrational numbers, what do you get as a product? Well, it’s not such a straightforward answer.

You should be able to factoring a quadratic expression by the time you finish algebra 1. Drop-down menus limit your options on the test.