1) What is the equation of the line graphed below? a) y = 2/3x -2 b) y = 2/3x +3 c) y = 3/2x -2 d) y = 3/2x +3 2) Which graph has a slope that is 1/4 unit greater than the slope of the graph of y = x – 2? a) b) c) d) 3) Susan recorded the time she ate dinner and the number of calories she consumed during dinner for six consecutive days. The results are shown in the table. Which best describes the association between the time Susan ate dinner and the number of calories she consumed? a) positive b) negative c) irrational d) almost none 4) Which choice is an irrational number? a) 4₶ / ₶ b) √62 c) √18 d) 21.989 5) In which choice is y a nonlinear function of x? a) y = x/4 + 5 b) y = 10 + x c) y = x + 3 / 4  - 2x d) y = 2/x + 3 - 5 6) Mr. Jones determined that the equation 16 5 98 y x = − could be used to predict his students’ unit test scores, based on the number of days, x, a student was absent during the unit. What is the meaning of the y-intercept of the function? a) A student who was not absent during the unit should score about 98. b) A student who was not absent during the unit should score about 94.5. c) A student’s test score should increase by about 3.2 points for each day the student is absent. d) A student's test score should decrease by about 3.2 points for each day the student is absent. 7) Which is the graph of the linear equation y = –x? a) b) c) d)

8th EOG MATH SAMPLE

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