(a) What is the area of the triangle determined by the lines y = - --- x + 9, y 10x, and the y-axis? 27/7 (b) If b> 0 an

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A What Is The Area Of The Triangle Determined By The Lines Y X 9 Y 10x And The Y Axis 27 7 B If B 0 An 1 (40.81 KiB) Viewed 52 times

(a) What is the area of the triangle determined by the lines y = - --- x + 9, y 10x, and the y-axis? 27/7 (b) If b> 0 and m< 0, then the line y = mx + b cuts off a triangle from the first quadrant. Express the area of that triangle in terms of m and b. 2m X (c) The lines y = mx + 5, y = x, and the y-axis form a triangle in the first quadrant. Suppose this triangle has an area of 10 square units. Find m. m = -1/4 Additional Materials Reading