Math 290 Exam questions and with detailed accurate answers and graded A+

adjacent side - ANSthe side of a right triangle that touches the angle (not the hypotenuse) axis - ANSA horizontal or vertical line that establishes the relationship between data in a chart. axis of symmetry - ANSa line that divides a parabola in two equal halves and goes through the vertex bisector - ANScuts something into two equal parts circular - ANShaving the shape of a circle collinear - ANSpoints on the same line cosine - ANSratio of the adjacent side to the hypotenuse of a right-angled triangle counterexample - ANSan example that proves a statement false depreciate - ANSto decrease in value geometric lines - ANSstraight lines identity - ANSAn equation that is true for every value of the variable inverse - ANSopposite line symmetry - ANSa line that divides a figure into 2 halves that match exactly when the figure is folded on that line opposite side - ANSthe leg opposite to the angle you are given perpendicular bisector - ANSA line that intersects a given segment at right angles and divides it into two equal parts point symmetry - ANSThe common point of reflection for all points of a figure. reciprocal - ANSone of a pair of numbers whose product is 1; ex: the reciprocal of 2/3 is 3/2