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Math Quiz - Grid questions

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1. If the sum of the squares of two consecutive odd integers is 450, what is the largest of these two integers?

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2. The average age of a group of 6 students is 20 years old. If the oldest student is 25, what is the average age of the other 5 students?

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3. The number of students in a math class is 30. If 5 students were added, the number of students would increase by what percent?

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4. Given the function f(x) = 3x^2 + 2x - 5, find f(-2).

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5. If the slope of a line is -3/4 and the line passes through the point (6, 4), what are a and b in the equation of the line: ax+by = c?

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