Could not load assets. Please refresh the page.

These are explanations and solutions for IB past papers, not the official version. For official papers, you can go to IB Follet or access them through your school.

02 Hours

110 Marks

Calculator is allowed

IB MATH AI HL, Paper 1, May, 2023, TZ1, Solved Past Paper

Master the 2023 IB May for Paper 1 Mathematics AI HL with examiner tailored solutions and comments for TZ1

Question 1 [Explained]

Starting on January 1, 2022, Mina deposited $1000 into a bank account that offers an annual interest rate of 4%, compounded monthly.

At the end of January, and at the end of each following month, she adds an additional $100 to this account.

This scenario explores the growth of Mina's bank account balance due to both her initial deposit and her regular monthly contributions, with interest compounded monthly.

Question 1 [a] [Explanation]

Determine the balance in an individual's financial account at the commencement of the year 2024, rounded to two points beyond the decimal.

This question is asking you to calculate the total amount of money available in someone's bank account as of January 1st, 2024. The answer should be precise up to two numbers after the period.

Video Solution by an IB Examiner

Question 1 [b] [Explanation]

Determine how many full months it will take for Mina to accumulate over $5000 in her account, starting from January 1, 2022.

In simple terms, this question is asking to find the number of complete months Mina needs to save money until her account balance exceeds $5000, starting from the specified date.

Video Solution by an IB Examiner