MATH 115 Midterm: MATH115 South Carolina Exam 1
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Answers without proper evidence of knowledge will not be given credit. 2. (a b)2 = a2 b2. 3. (5 + 7)2 = 52 + 72: a, a. + c d = ac bd d = a+c b+d: x+4 x 4 + x+5 x+4 = (x+4)+(x+5) (x 4)+(x+4, if the quadratic equation ax2 + bx + c = 0 has a negative discriminant then there are no solutions. Which of these is a representation of the line y 3 = 1 your reasoning. ) (a) y = 1. 3 x + 3 (b) the line determine by the two points (0, 13. 3 (x 4)? (mark all that apply and explain. 3 ), ( 13, 0) (c: consider the rational expression (x2+8x+15) So he takes his canoe out and the strong tide makes his trip down river 4 mph faster than his trip back up the river at the end of the day.
