Marshall

PHASE 1 Muhammad ibn musa khwarizmi

Muhammad ibn musa khwarizmi was a persian mathematician, astronomer and geographer.He was born around 780 in khwarizm. He was trained in the house of wisdom in baghdad. He write his first book in 820 on algebra linear and quadratic equations. His name was muhammad ibn musa khwarizmi.

To other people he considered to be the father of algebra.He introduced the positional number system to the western world.He was one of the first to use zero as a place holder in positional base notation.The word algorithm comes from his name.He revised and updated ptolemys geography as well as writing many work on astronomy and astrology.

Yang Hui

Yang Hui was chinese mthamatician he wrote many mathematical texts. Which contained many solutions of quations.He worked on many mathmaticle equations like magic squares,magic circles,and binomial theorem. He was also known for his yang hui triangle pressenting.His triangle was the same as the pascals trianglemade by jia xian.

He also made a book about his triangles called //Xiangjie Jiuzhang Suanfa//.Which the book was made in 1261 ad.He was also knolged in square roots and cubic roots.About 1275 ad he finlly had to published some of his books.He also knew alot more math equations and stuff like that. http://en.wikipedia.org/wiki/Yang_Hui http://en.wikipedia.org/wiki/Muhammad_ibn_M%C5%ABs%C4%81_al-Khw%C4%81rizm%C4%AB PHASE 2 1. Suppose a farmer has /come ask me/ yards of fencing to enclose a rectangular field. What is the largest area that the farmer can enclose? (10 points)

2. The owner of a ranch decides to enclose a rectangular region with /come ask me/ feet of fencing. To help the fencing cover more land, he plans to use one side of his barn as part of the enclosed region. What is the maximum area the rancher can enclose? (10 points)

A farmer wishes to enclose a rectangular region bordering a river using /come ask me/ feet of fencing. He wants to divide the region into two equal parts using some of the fence material. What is the maximum area that can be enclosed with the fencing? (10 points) 1. Some fireworks are fired vertically into the air from the ground at an initial velocity of /come ask me/ feet per second. Find the highest point reached by the projectile just as it explodes. (10 points)

2. A ball is thrown vertically upward with an initial velocity of /come ask me/feet per second. If the ball started from a height of 10 feet off the ground, determine the time it will take for the ball to hit the ground. (10 points)

s(t) = –gt2 + v0t + h0 Describe what the letters g, t, v and h represent. (5 points)