MATH 100 Midterm: MATH 100 KSU fExam s02
15 Feb 2019
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No notes or books are allowed. (5 pts) 1. Find the x-intercept of the line 5y 7x = 40. (10 pts) 2. Write the following complex numbers in the form a + bi: (3 4i)(5 + 8i) b) Solve the equation 3(x + 4)2 75 = 0. page 2 of 6 (10pts) 4. The graph of a function y = f (x) is given below. 1. 5 (b) give the interval (x-coordinates) where the function is decreasing. (5 pts) 9. Find the x- and y-coordinates of the vertex of the parabola y = 13x2 + 26x + 33. page 5 of 6 (6 pts) 10. Does the graph of the function y = Explain. x2 x4 + 1 have any symmetry? (10 pts) 11. A private airplane leaves airport and ies due east at a speed of. Two hours later, a jet leaves the same airport and ies due east at a speed of 900 mph.
