MCQ PracticeIf x + y + z = 19, x 2 + y 2 + z 2 = 133 and xz = y 2 , then the difference between z and x is:Subject: MathematicsTopic: AlgebraA5B3C6D4Correct Answer: APractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the