Final answer:
An adjustable-rate mortgage (ARM) is a type of loan that a borrower uses to purchase a home. The interest rate on an ARM can be adjusted at different intervals depending on the terms of the loan.
Step-by-step explanation:
An adjustable-rate mortgage (ARM) is a type of loan that a borrower uses to purchase a home. With an ARM, the interest rate varies with market interest rates. The interest rate on an ARM may be adjusted once a year, every three years, every five years, or at any other interval depending on the terms of the loan.