The article links to this year June's Algebra I test, so you can judge for yourself.
"Explain your answer,” demands Question 29, just after perfectly reasonably asking students to graph a simple equation. “Justify your answer” insists Question 30. “Explain how you arrived at your answer” commands Question 35 (which has students graphing out Caitlin’s movie rental card expenditures). “Use your equation to justify your answer” orders Question 36 — a multipart question involving an equation about an animal shelter. . . .
For all of these questions, the obvious answer to “Explain your answer” and “Justify your answer” is very easy for any honest kid: “I used math.”