Algebra 1 PARCC question: compare job offers By Paul Katula • Mar 14, 2016 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.
Algebra 1 PARCC question: graph Ay + Bx = C By Paul Katula • Mar 13, 2016 We have lots of equivalent ways of writing equations for lines, or linear functions, including slope-intercept, point-slope, and Ax+By=C.
Algebra 1 PARCC question: predict from data By Paul Katula • Mar 12, 2016 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.
Algebra 1 PARCC question: complete the square By Paul Katula • Mar 11, 2016 We complete the square here, to solve a quadratic equation. Also, the question provides some useful tips about the solutions to quadratic equations.
Algebra 1 PARCC question: proof of slope By Paul Katula • Mar 10, 2016 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.
Algebra 1 PARCC question: area of rug equation By Paul Katula • Mar 9, 2016 Using an equation to determine the area of a rug requires you to manipulate a small mathematical model. More equation editor problems.
Algebra 1 PARCC question: build function By Paul Katula • Mar 8, 2016 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.
Algebra 1 PARCC question: rational-irrational By Paul Katula • Mar 7, 2016 When multiplying rational and irrational numbers, what do you get as a product? Well, it's not such a straightforward answer.
Algebra 1 PARCC question: factor to solve By Paul Katula • Mar 6, 2016 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.
Algebra 1 PARCC question: table rate of change By Paul Katula • Mar 5, 2016 The average rate of change can be calculated for a linear relationship between 2 quantities using a table of values.