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Questions and Answers
What is the sum of the roots of the quadratic equation $3x^2 - 5x + 2 = 0$?
What is the sum of the roots of the quadratic equation $3x^2 - 5x + 2 = 0$?
- $\frac{5}{3}$ (correct)
- $\frac{2}{5}$
- $\frac{3}{5}$
- $\frac{2}{3}$
Which of the following is a linear equation in two variables?
Which of the following is a linear equation in two variables?
- $x^2 + y^2 = 25$
- $3x^2 + 4xy - 2y^2 = 0$
- $\frac{x}{2} + \frac{y}{3} = 1$
- $2x - 3y = 5$ (correct)
Which of the following is a polynomial function?
Which of the following is a polynomial function?
- $h(x) = 3x^2 - 5x + 2$ (correct)
- $f(x) = \frac{1}{x}$
- $k(x) = |x|$
- $g(x) = \sqrt{x}$
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