ExamPlay Light Logo
サインイン

Mathematics for IGCSE & O level - Algebraic Manipulation (Section 2 - No. 3)

Which expression is a perfect square trinomial?
x² + 4x + 4
x² - 4
x² + 5x + 6
x² - 6x - 9

説明

x² + 4x + 4 can be factored to (x + 2)²

コメント (0)

広告