Michael surveyed 40 of his friends to determine their favorite season. His data shows that 70% said summer, 10% said winter, 5%
said fall, and the rest said spring. What circle graph best represents Michael's data? Circle graph with unequal sections. Sections from smallest to largest are labeled Winter, Spring, Summer, and Fall. The sections for Spring and Summer sections are equal in size. Circle graph with unequal sections. Sections from smallest to largest are labeled Winter, Fall, Summer, and Spring. Circle graph with unequal sections. Sections from smallest to largest are labeled Fall, Winter, Spring, and Summer. Circle graph with unequal sections. Sections from smallest to largest are labeled Fall, Winter, Spring, Summer.
70% of 40 is 28 for summer, 10% of 40 is 4 for winter, 5% of 40 for fall is 2 and the rest, being 15% is 5 people who voted spring. From smallest to largest, it is fall, winter, spring and summer.
Since x represents the length (in meters), the width, which is 7 meters greater, is x +7. The product of these dimensions is the area (in square meters): x(x +7) = 170 In standard form, the quadratic is ... x² +7x -170 = 0