MATH 100 Midterm: MATH 100 KSU Test 1s03

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Check that that you have all three pages - note that page two is on the back of page one: (8 points) simplify, using only positive exponents (you can assume that x, y 6= 0): 3 x as a rational power of x (assume x is positive): (8 points) simplify by extracting squares (y could be negative in (a)): (a) py. 10 = (b) 2 75 3 12 : (5 points) expand (2x 3)(x. 2 + 2x 2) to give a polynomial in standard form: (7 points) simplify x. 1 pg score: (12 points) factor the following polynomials as far as possible: (a) 3x. 2 + x 2 = (b) 9x. 2 4 = (c) x(x 3)2 + 2x. 2(x 3) : (7 points) simplify. 2 x + 2 x 4 x + 2: (8 points) solve. 3 x(x + 1) for x: (7 points) use your calculator to graph y = 5 + 3x x.