Tag: public release
Much classic lit set to enter the public domain
The new year will bring many classic literary works to the public domain, as they were first published in 1923, a very lucrative year in literature.
Algebra 1 PARCC question: shirts and ties
Solving systems of linear equations (2 equations in 2 unknowns) comes up in many algebra 1 classes across the nation.
Algebra 2 PARCC: imaginary number arithmetic
Doing arithmetic with imaginary numbers involving i, the square root of –1, is an algebra 2 skill and might be tested on PARCC.
Algebra 2 PARCC: Spring rate of change
Finding the rate of change of a function (from a graph, table, or function) can be required on the PARCC algebra 2 test.
Algebra 1 PARCC: a little salsa
When it comes to constraints on real-world systems, nothing does the trick like linear algebra. Here, a factory makes and packages salsa.
PARCC algebra 2: write quotient as binomial
Multiplying binomials is a skill with many applications. With PARCC, it can be tested by asking students to find the quotient of 2 binomials.
Algebra 2 PARCC: Factor an unknown polynomial
How can you factor a polynomial when you don't even know what the polynomial is? Well, you can't, but you can know a few things.
PARCC Algebra 2: Modeling a delivery route
We sometimes need to develop mathematical models for costs we incur in our jobs or in daily life. Here's one way to do just that.
ACT math practice: business sales algebra
Given a few facts about the total sales at a business over 3 years, can you find the basis sales figures using algebraic manipulation?
Algebra 1 PARCC: graphing inequalities
Graphing the solution to a system of linear inequalities is likely to come up on the PARCC test in algebra 1. Are you ready?