CourseHES 212

Week6 of 16

SemesterII

TutorOnline in the course chat

This week’s topics

Geometric sequences

Doubling and halving
Growth with a common ratio

What you will be able to do

2.1 Identify arithmetic and geometric sequences.

Activity

Model the growth of followers on a social media account.

Study materials

Further resources

Contemporary Mathematics, 3.11: Geometric Sequences · PDF · OpenStax Contemporary Mathematics (2023), 3.11: doubling, halving and the common ratio, pp. 246–253 · for registered students
College Algebra 2e, 9.3: Geometric Sequences · PDF · OpenStax College Algebra 2e (2021), 9.3: growth with a common ratio (a step up), pp. 885–893 · for registered students

Materials marked “for registered students” open in the student portal, which is set up as soon as you receive final acceptance.

Week 5 Week 7

Course chat

Admitted students ask questions on this week’s page in the student portal: an AI assistant trained on the course answers first, and during the course’s timetabled classes Connect to your tutor brings your tutor into the chat, who may start a call if needed.

Open this week in the portal

Course plan

Week 1: Coordinates and straight-line graphs
Week 2: Gradient and y-intercept (y = mx + c)
Week 3: Plotting quadratic graphs
Week 4: Using graphs to solve problems
Week 5: Number sequences and the nth term
Week 6: Geometric sequences
Week 7: Sequences and how fast programs grow
Midterm: Midterm evaluation
Week 9: Probability basics
Week 10: Probability of two events
Week 11: Statistics for a dataset
Week 12: From a problem to pseudocode
Week 13: Checking a solution with test data
Week 14: Maths problem-solving project
Week 15: Review and coursework completion
Final: Final assessment and submission

Back to the course