Mathematics Knowledge.

Algebra, geometry, basic number theory.

Mathematics Knowledge (MK) is one of the four AFQT subtests. Algebra, geometry, basic number theory. Items below are part of the calibration sample (v0). Each item carries three pre-generated explanation phrasings; the runtime serves a deterministic rotation to keep cost flat. AI-explained answer (verified by reviewer queue).

Item 1 of 3Score: 0/0

If x + 7 = 19, what is x?

Independent test-prep — not affiliated with DoD or the ASVAB program. See officialasvab.com for the test program.