Activity 1: Does It Illustrate Me? Directions: Tell whether or not each of the following situations illustrates quadratic equations. Justify your answer by representing each situation by a mathematical sentence.
1. The square of a number is added to two times the number and the sum is 24.
2. The width of a rectangle card is 2cm less than the length and the area is 35cm²
3. A flowerbed is to be 3m longer than its width. The flowerbed will have an area of 70m².
4. Angela is 4 years younger than Genesis. Four years later, Genesis will be twice as old as Angela.
5. A rectangular bahay-kubo with the dimension of 11m more than its width built in a rectangular backyard. The area of the bahay-kubo is 85m².