1) 3x 2 +5x +2 is a monomial a) true b) false 2) 4 less than x can be written as 4 - x a) true b) false 3) one third of the sum of a and b is a) 1/3a +b b) 3(a + b) c) 1/3(a + b) d) 1/3(a - b ) 4) Anshu is "x" years old , what was his age three years ago ? a) 3 - x b) x - 3 c) 3 + x d) x + 3 5) only unlike terms can be added or subtracted. a) true b) false 6) expanded form of (2x) 3 is 2 * x * x * x a) false b) true 7) number of days in february is constant a) true b) false 8) 4x +2y +3x is an example of : a) monomial b) binomial c) trinomial

introduction to algebra

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