___________8. The table gives the average per capita income, in a region of the country as a function of the d, percent unemployed, u. 1 2 3 4 u 22,500 22,000 21,500 21,000 d Which equation represents this data algebraically? A. = 20,000 + 1,000u B. = 22,000 + 500u d d C. = 23,000 500u D. = 25,000 1,500u d d – – ___________9. A graph of a linear equation is shown. Which equation described the graph? A. = 0.5x 1.5 B. = 0.5x + 3 C. = 2x 1.5 D. = 2x + 3 y y y y – ___________ 10. A ball rolls down a hill with a slope of . At one point the ball is 10 feet high and at the other point the ball is 4 feet high, as shown in the diagram below. What is the horizontal distance (x), in feet, that the ball traveled as it rolled down the ramp from 10 feet high to 4 feet high? A. 6 B. 9 C. 14 D. 15
___________8. The table gives the average per capita income, d, in a region of the country as a function of the percent unemployed, u. u 1 2 3 4 d 22,500 22,000 21,500 21,000 Which equation represents this data algebraically? A. d = 20,000 + 1,000u B. d = 22,000 + 500u C. d = 23,000 – 500u D. d = 25,000 – 1,500u ___________9. A graph of a linear equation is shown. Which equation described the graph? A. y = 0.5x 1.5 B. y = 0.5x + 3 C. y = 2x – 1.5 D. y = 2x + 3 ___________ 10. A ball rolls down a hill with a slope of . At one point the ball is 10 feet high and at the other point the ball is 4 feet high, as shown in the diagram below. What is the horizontal distance (x), in feet, that the ball traveled as it rolled down the ramp from 10 feet high to 4 feet high? A. 6 B. 9 C. 14 D. 15