Algebra 1 PARCC question: complete the square
We complete the square here, to solve a quadratic equation. Also, the question provides some useful tips about the solutions to quadratic equations.
STEM
Neuroscience doesn’t make teaching better
Can teachers become better teachers if they understand which structures of the brain influence the learning of certain tasks or behaviors? Probably not.
Algebra 1 PARCC question: proof of slope
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
Using an equation to determine the area of a rug requires you to manipulate a small mathematical model. More equation editor problems.
Total solar eclipse; next one is in the US
A total eclipse of the sun occurred on March 8-9. It wasn't visible from the US, but the next one will be, on Aug. 21, 2017.
Algebra 1 PARCC question: build function
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
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
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
The average rate of change can be calculated for a linear relationship between 2 quantities using a table of values.
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.