9IGCSE E-Math UT1 Practice

1458, 486, 162, 54, … is a geometric progressions. State the common ratio.

In a GP the 3rd term is 24 and the 6th term is 192. The 10th term is

• 3070

• 3072

• 3068

• 3074

Find the common ratio for the geometric progression : 4, -16, 64, -256, ...

• r = -4

• r = 2

• r = -2

• r = 4

What information needs to be provided to solve a problem using Compound Interest. Check all that apply.

• P= Principal

• R= Rate

• T= Time

• N= Terms in a year

• I= Interest Amount

What does the "I" in the interest formula stand for?

• Important
• Interest
• Internet
• Igloo

Write the percent as a decimal.

4.3%

• 4.3

• .43

• .043

• 4300

What 0.390909090... as a fraction?

Change the following recurring decimal into a fraction.

Write your answer in its simplest form.

• ⁸⁹/₁₀₀

• ⁸⁰¹/₉₀₀

• ⁸⁸⁹/₉₀₀

• ⁸⁸⁹/₉₉₀