Math Problem Statement
Look at each pair of expressions below. Identify the expression that is not a polynomial from each (a and b). Give reasons for your answer.
A.
- 2x+1 2.) x^-3+2x²-7 3.) 2√x 4.) 2x³-3x²^1/2+x-4 5.) (x+5) (9x+1)² (x-4)
B. 1.) 2/x+1 2.) x³+2x ²-7 3.) x√2 4.) 2x³-3x²+ x-4 5.) (x+5) (9x+1)^4 / (x-4
Solution
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Math Problem Analysis
Mathematical Concepts
Polynomials
Exponents
Rational Expressions
Formulas
Polynomial definition: terms with non-negative integer exponents and real coefficients
Theorems
Properties of polynomials: no variables in denominators, square roots, or with negative exponents
Suitable Grade Level
Grades 9-12
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