1) 5x +2 is an equation a) true b) false 2) 4 less than x can be written as 4 - x a) true b) false 3) Half of the sum of a and b is  a) 1/2a +b b) 2(a + b) c) 1/2(a + b) d) 1/2(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) 3y - 2x + 4y can be simplified to 7y + 2x a) True b) Wrong

Copy of introduction to algebra

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