3. Shown is a rectangle, with width 2x. The area of the rectangle is 8x². Find the perimeter of the rectangle.
4. A rectangle has length 5x and width 2y. Find a term for the area of the rectangle.
5x 2y
5. A rectangle and square have the same area. The rectangle has length 12x and width 3x. Find the length of each side of the square.
6. The rule for a certain pattern is that, after the fi rst two values, each value is found by multiplying the two previous values. The fi rst two values are 2x and 3y. Find the next three values.
8. A car park is rectangular in shape. If the car park can hold 896ab cars, fi nd an expression that describes how many cars can fi t into: 1
(i)
__ 4 of the car park.
(ii) 1
__ a of the car park.
2 x
7. The total number of seats on a train is represented by the term 565xy. If there are 5xy seats in each row of seats on the train, fi nd the term that describes the number of rows on the train.