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.

Can you copyright a test question?

The Supreme Court ruled, again, that holders of intellectual property rights cannot impose restrictions on third-party buyers of their products. PARCC, look out!

Algebra 1 PARCC: home price stats

Measures of central tendency and the spread of data, including outliers, will come into play as students take the PARCC test in algebra 1 this spring.

Algebra 1 PARCC: system of inequalities

Creating 2 equations in 2 unknowns to describe a set of conditions is a skill algebra 1 students need if they’ll be taking the PARCC test this spring.

Algebra 1 PARCC: racing cars

How would you figure out (and explain) when one car, traveling at a given speed, will overtake another car that had a head start?