1.7 Word Problems
Ex 1 Two numbers differ by 6. If the numbers are squared and then added, the result is 146. What are the numbers?
Ex 2 The sides of two sides of a rectangle are x and x – 5 and the area is 36 cm2. What are its dimensions?
Ex 3 p. 283#12 A photograph measuring 12 cm by 8 cm is to be surrounded by a mat before framing. The width of the mat is to be the same on all sides of the photograph. The area of the mat is to equal the area of the photograph. Find the width of the mat.