A statistician and medical doctor, Hans Rosling (1948 – ) is considered to be a global authority on international economic and healthcare trends. Practicing medicine all around the world, Rosling has gained prominence with a series of talks on TED.com. His down-to-earth nature and humor has gained him wide appeal and a number of significant awards.

Solve each equation and check for extraneous solutions. The word or phrase next to the correct response will complete the statement.

4 푡−6 1 2 − 푝 = = 푡2 3푡2 푝 5푝

Hans Rosling was born in Uppsala, ______. Rosling earned a degree in public health at St. a. t = 5 Holland John’s Medical College in ____. b. t = 18 Sweden a. p = -3 , c. t = 32 United Kingdom b. p = -1 London, England c. p = 8 Sydney, Australia

3 푥 + 6 푥 + 4 1 5 1 + = = − 2푥2 4푥2 2푥2 푑2 − 푑 푑2 − 푑 푑 In 1981, Rosling gained notice when he Rosling spent two decades studying

discovered an outbreak of a paralytic disease, outbreaks of this disease across ______.

______. a. d = -6 Eastern Europe a. x = -7 five p-minus b. d = 5 rural Africa b. x = 4 c. d = 27 Southeast Asia c. x = 11 spina bifida 3 1 1 10 4 5 − = + = 푎 + 2 푎 5푎 푏(푏−2) 푏 푏−2 Rosling’s research has focused on links Rosling has worked as a health advisor for the between economic development, poverty, WHO and _____. health and ______. a. b = 2 The Enough Project a. a = 4/3 agriculture b. b = 6 The Red Cross b. a = 8/9 education c. no solution UNICEF c. a = 12/9 war

1 푛 − 1 5 1 4 1 = + − = 푛2 + 2푛 푛 푦3+5푦2 푦2 푦+5 Rosling developed statistical software ____ In one of his TED talks, Rosling demonstrated that allows users to view large data sets and that he is also a ______. watch them change over time. a. y = -7/8 juggler a. n = -18 Gadget b. y = -3/5 magician b. n = -1 Gapminder c. y = -1/4 sword swallower c. n = -1/2 Trendzer

© 21st Century Math Projects 4 푡 − 6 1 2 − 푝 3 푥 + 6 푥 + 4 = = + = 푡2 3푡2 푝 5푝 2푥2 4푥2 2푥2

1 5 1 3 1 1 = − − = 푑2 − 푑 푑2 − 푑 푑 푎 + 2 푎 5푎

10 4 5 1 푛 − 1 5 1 4 + = 1 = + − = 푏(푏 − 2) 푏 푏 − 2 푛2 + 2푛 푛 푦3 + 5푦2 푦2 푦 + 5

© 21st Century Math Projects A statistician and medical doctor, Hans Rosling (1948 – ) is considered to be a global authority on international economic and healthcare trends. Practicing medicine all around the world, Rosling has gained prominence with a series of talks on TED.com. His down-to-earth nature and humor has gained him wide appeal and a number of significant awards.

Solve each equation and check for extraneous solutions. The word or phrase next to the correct response will complete the statement.

4 푡−6 1 2 − 푝 = = 푡2 3푡2 푝 5푝

Hans Rosling was born in Uppsala, ______. Rosling earned a degree in public health at St. a. t = 5 Holland John’s Medical College in ____. b. t = 18 Sweden a. p = -3 Bangalore, India c. t = 32 United Kingdom b. p = -1 London, England c. p = 8 Sydney, Australia

3 푥 + 6 푥 + 4 1 5 1 + = = − 2푥2 4푥2 2푥2 푑2 − 푑 푑2 − 푑 푑 In 1981, Rosling gained notice when he Rosling spent two decades studying

discovered an outbreak of a paralytic disease, outbreaks of this disease across ______.

______. a. d = -6 Eastern Europe a. x = -7 five p-minus b. d = 5 rural Africa b. x = 4 konzo c. d = 27 Southeast Asia c. x = 11 spina bifida 3 1 1 10 4 5 − = + = 푎 + 2 푎 5푎 푏(푏−2) 푏 푏−2 Rosling’s research has focused on links Rosling has worked as a health advisor for the between economic development, poverty, WHO and _____. health and ______. a. b = 2 The Enough Project a. a = 4/3 agriculture b. b = 6 The Red Cross b. a = 8/9 education c. no solution UNICEF c. a = 12/9 war

1 푛 − 1 5 1 4 1 = + − = 푛2 + 2푛 푛 푦3+5푦2 푦2 푦+5 Rosling developed statistical software ____ In one of his TED talks, Rosling demonstrated that allows users to view large data sets and that he is also a ______. watch them change over time. a. y = -7/8 juggler a. n = -18 Gadget b. y = -3/5 magician b. n = -1 Gapminder c. y = -1/4 sword swallower c. n = -1/2 Trendzer

© 21st Century Math Projects