Form 2 Chapter 3 Algebraic Formulae

Cheryl gets paid $8 per hour for her job at the record store and $15 for working late on Saturday. She made a total of $96 last week. Which equation models this situation?

• 96h + 15 = 8

• h/96 = 8

• 8h + 15 = 96

• h/8 = 96

The price of a pen is RM x and the price of a shirt is RM y. The total price of items that Amal needs to pay is RM 260. write the equation for the price of the shirts in terms of the price of the pens.

The area of the trapezium below is 36 cm². If x + y = 11 cm, calculate the value of x and y.

Luas trapezium di bawah ialah 36 cm². Jika x + y = 11 cm, hitung nilai x dan y.

• x = 5, y = 4

• x = 5, y = 7

• x = 4, y = 7

• x = 4, y = 5

A rectangle is r cm long, s cm wide and has an area of P cm². Express P in terms of r and s.

• P = rs
• P = r ∕ s
• P = 2rs
• P = (rs)²

A rectangle is r cm long, s cm wide and has an area of P cm². Express P in terms of r and s.

• P = rs
• P = r ∕ s
• P = 2rs
• P = (rs)²

Which of the following is true?

• (a-b)² = a² - b²
• (a + b)² = a² + 2ab + b²
• (a - b)² = a² - 2ab - b²
• (a + b) (a - b) = a² - 2ab + b²