Unit 8, Lesson 6
Reescribamos expresiones cuadráticas en forma factorizada (parte 1)
Álgebra 1
6.1
Warm-up
Estos son dos acertijos que incluyen longitudes de lados y áreas de rectángulos. ¿Puedes encontrar el área desconocida de la figura A y la longitud desconocida de la figura B? Prepárate para explicar tu razonamiento.
Figura AA composite figure made up of a square and 2 rectangles. The square has side lengths of 8 inches. It is 5 inches from the far edge of the second rectangle. The square and first rectangle are 10 inches in height together. The first rectangle is marked with question mark square inches. The second rectangle is 4 inches high and 3 inches wide.
Figura BA composite figure made up of three rectangles. The first rectangle with an area of 36 square inches is on top of another and is taller than it is wide. The first rectangle is 3 inches from the edge of the second rectangle. The second rectangle with an area of 60 square inches, is wider than it is tall. The width of the second rectangle is 12 inches. The third rectangle of 48 square inches is taller than it is wide. It is 3 inches longer than the second rectangle. The first rectangle is 11 inches from the far edge of the third rectangle.