1) What variable stands for slope in y=mx+b? a) m b) x c) b d) y 2) Solve the system of equations by using substitution. a) (31/7,3/28) b) (31/7,10/7) c) (10/7,31/7) d) (3/28,31/7) 3) Find the slope by using the table. (Simplify) a) m=1/5 b) m=-1/5 c) 58/34 4) Solve the system of equations. a) (-3/2,-9/2) b) (9/2,3/2) c) -3/2,-9/2 d) 9/2,3/2 5) Solve the systems by graphing. a) No Solutions b) Infinite Solutions c) One Solution 6) Is this an example of a function? a) YES b) MAYBE c) NO 7) Find the volume of the cylinder. Round to the nearest whole number. a) 14520 cm3 b) 15240 cm3 c) 14520 cm d) 14500 cm3 8) Find the length of side x. (leave as a square root) a) x= √26.92 b) x=26.92 9) Plot the following (Translate the figure 1 up and 1 right) a) R´(-4,5)-U´(-3,6)-L´(2,5)-E´(3,4) b) R(-4,5)-U(-3,6)-L(2,5)-E(3,4) c) R´(-4,5)-U´(-3,7)-L´(2,6)-E´(3,5) 10) Rewrite in proper scientific notation. (36789.438*1012) a) 3.6789438*1016 b) 36.789438*1015 c) 36789.438*1012 11) Simplify (3.815*3.821)/(3.838*3.817) a) 3.891 b) 38.91 c) 40 12) Solve and write in proper scientific notation. (5.8*103)+(68*104) a) 6.858*105 b) 6.858*1004 c) 6.585*105 13) What are the measures of angles of 2, 4 and 3? a) Angle 2=36 degrees, angle 4=144 degrees, angle 3=36 degrees b) IDK c) Angle 2=37 degrees, angle 4=180 degrees, angle 3=36 degrees 14) Does this scatter plot have a positive, negative, or zero correlation? a) Positve b) Negative c) Zero 15) What are the coordinates of the outlier in this scatter plot? a) (11,30) b) (30,11) c) (10,30) d) (13.5,15) 16) Find the slope a) m=-3/2 b) m=2/4 c) m=4/2 d) m=5/7 17) What percent of boy prefer Manchester city over Manchester united? (Round to the nearest tenth) a) 33.3% b) 52% c) 5.2% d) 3.3% 18) Find f(g(x)) if f(x)=3x+2 and g(x)=(x+5)/x a) f(g(x))=5(x+3)/x b) f(g(x))=3(x+5)/x c) f(g(x))=5(x+3) 19) Find the volume of the sphere. a) 7234.56 cm3 b) 7234.56 in3 c) 7324.65 cm3 20) Reflect the triangle over the x-axis. a) x(2,-1) y(4,-5) z(1,-4) b) x(4,-5) y(2,-1) z(1,-4) c) x(1,-4) y(4,-5) z(2,-1) 21) Rotate the quadrilateral 90 degrees clockwise. a) A'(7,6) B'(7,2) C'(3,6) D'(3,2) b) A(-7,6) B(7,2) C(3,6) D(7,2) c) A(1,3) B(5,8) C(3,2) D(3,2) d) B'(7,6) O'(7,2) C'(3,6) H'(3,2) 22) What is the formula for the volume of a cone? a) V=1/3h pi r2 b) V=4/3 πr3 c) V=πr2h 23) Find the area. a) x=57 ft2 b) x=52 ft3 c) x=60 ft2 24) Simplify 105(103+101) a) 101000000 b) 10000000 c) 11000000 25) Reflect this shape over the y axis a) A’(1,-1) B’(1,-5) C’(5,-5) D’(5,-1) b) A(1,-1) B(1,-5) C(5,-5) D(5,-1) c) A’(1,1) B’(1,5) C’(5,5) D’(5,1) 26) Find the volume of the cube. a) 4943 cm2 b) 4913 cm3 c) 5013 cm 27) What’s the volume of this shape? Round to the nearest hundredth. a) 56.55 ft3 b) 56.55 ft c) 57 ft3 28) What is the marginal frequency of freshmen who prefer cats? a) 13/50 b) 50/13 c) 3 11/50 29) How many juniors like chocolate? a) 13 b) 23 c) 4 d) 20 30) How many total people were surveyed? a) 100 b) 52 c) 31 31) Plot the points (-4,2) (-4,4) (2,4) (2,2) then translate to the left 1 unit and down 1 unit a) A’(-5,1) B’(-5,3) C’(-1,3) D’(1,1) b) A’(-5,3) B’(-5,1) C’(-1,1) D’(1,3) c) A’(-2,1) B’(-1,3) C’(-1,3) D’(4,1)

8th Grade Math Game

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