4F CL Lesson (Ch 1 Problems leading to Quadratic Equations

We have learnt three ways to solve a quadratic equation. True or false?

• True

• False

When folding papers, it is easy and common to generate congruent figures. True or false?

• True

• False

All pyramids are right pyramids. True or false?

• True

• False

All the lateral faces of any pyramids are triangles. True or false?

• True

• False

Height of a right pyramid is defined as the perpendicular distance between the vertex and the base. True or false?

• True

• False

Volume of a pyramid = area of base x height. True or false?

• True

• False

Always reject the negative answer in any practical problems. True or false?

• True

• False

4% p.a. means the rate is 4% per day. True or false?

• True

• False

Compound interest = P x (1 + r%)ⁿ, where P is the principal, r% is the interest rate per period of time and n is the number of period of time. True or false?

• True

• False

We say 5 years have gone when we count from the end of 2018 to the beginning of 2023. True or false?

• True

• False