31/5/2024 3A Final Exam Revision - MC

Factorize 3y² + 2yx - 5x²

• (y + x) (3y - 5x)

• ( y - x ) ( 3y + 5x)

• ( y - 1 ) ( 3y + 5)

• (y + 1) (3y - 5)

(6𝑎⁷)(−8𝑎²) =

• • − 48a⁹

• 48a⁹

• − 2a⁹

• 2a⁹

Which of the following is the correct scientific notation form for expressing 588,000?

• 588 x 10³

• 58.8 x 10⁴

• 5.88 x 10⁵

• 0.588 x 10⁶

A restaurant had 500 customers on Monday. The number of customers increased by 10% on Tuesday, and then decreased by 20% on Wednesday. Find the number of customers on Sunday.

• 660

• 550

• 400

• 440

A sum of $8000 is deposited at an interest rate of 4% per annum for 5 years, compounded semi-annually. Find the interest, correct to nearest dollar.

• 1750

• 1751

• 1752

• 1753

The figure shows a pyramid VABCD of height 18 cm. Its base is a square of side 8 cm.

• 144 cm³

• 384 cm³

• 864 cm³

• 1152 cm³

• 2

If 𝜃 is an acute angle and sin 58° = cos(90° − 𝜃), then 𝜃 =

• 58

• 42

• 68

• 52

𝑀 is the mid-point of the line segment 𝐴𝐵. If the x-coordinate of 𝐴 and 𝐵 are −6 and 10 respectively, then the x-coordinate of 𝑀 is

• 2

• • - 2

• 4

• • - 4

• 70 marks

• 75 marks

• 77 marks

• 80 marks