We elect a U.S. Representative for how many years?

Why this is the answer

A U.S. representative is elected for two years, and all 435 seats are on the ballot at the same time. The Constitution states it directly: members of the House are chosen every second year by the people of the states. Because every seat is open at once, the makeup of the entire House can shift in a single election. That frequency was the whole idea. The framers wanted this chamber to stay close to the people who live in each district, called constituents, and to the local and community concerns those voters bring with them. A representative who stops reflecting their views can be replaced at the next election, and the next election is never far away. Federalist No. 52, printed in the New York Packet in February 1788 and addressed to the people of that state, argued that this branch in particular needed an immediate dependence on, and an intimate sympathy with, the people, and it called frequent elections unquestionably the only policy that could secure that bond. The Senate was designed to run at a different speed. Senators serve six years and only a third of them face the voters at a time, so the two chambers balance each other. The House was meant to follow public opinion more closely, and the Senate to be more independent from it. To serve in the House, a person must be at least 25 years old, have been a U.S. citizen for seven years, and live in the state that elects him or her. The Constitution puts no limit on the number of terms, so a two-year term can be renewed as many times as the district keeps voting for the same person. On this question the likely mix-up is giving the Senate's six years. It helps to tie the shortest term to the chamber that was meant to be closest to ordinary voters. Every member of the House has to ask for the job again after just two years, which is exactly what the framers intended.