Algebra 1 PARCC question: graph of function
The graph of a quadratic function is continuous; the domain is all real numbers, except in a few very special circumstances.
Math
Algebra 1 PARCC question: rewrite formula
The PARCC test in algebra 1 will require you to be able to rewrite formulas by algebraically rearranging them to solve for the variable of interest.
Algebra 1 PARCC question: rate of change
In word problems, we compute the rate of change, the cost per pound, the number of cats we just have to buy, and lots of other quantities.
Algebra 1 PARCC question: multiply binomials
You can use the FOIL method to multiply 2 binomials. It works for certain cases, but learning how to apply the distributive property is better.
Algebra 1 PARCC question: graph y=mx+b
It's possible to estimate the solution to a system of linear equations by graphing them on a coordinate plane. Here's PBA #4.
Algebra 1 PARCC question: quadratic zeros
It's possible to find the zeros of a quadratic function (a parabola) by factoring it, provided there are real zeros for the function.
Algebra 1 PARCC question: linear functions
How do you spot a "linear function" when given a table of values, a graph, a word problem, or an equation?
Brooklyn student says math skills are important
Poll: How many high school students in the US should be required to take algebra and geometry? Are these skills needed?
Amazon creates site: With Math I Can!
A new project from Amazon.com seeks to help students succeed in math by getting them to pledge that they will embrace their failures and learn from them.
Highest prime number so far has 22 mil digits
The highest prime number discovered so far is a Marsenne prime with 22.3 million digits: 2<sup>74,207,281</sup>–1.