Aims Grade 8 Mathematics Sample Test And Think-Throughs With Answers Page 11
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36December 2009
Which situation is best represented by the graph?
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the height of a person growing from child to adult
A
the amount of gasoline in a car tank, from fill-up to empty
B
the altitude of a plane during a trip, from take-off to landing
C
the temperature of a pizza after it has been taken out of the oven
D
Joe needs to find the midpoint of a line segment on a coordinate plane. Given the coordinates
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of the endpoints, what is the best way for him to find the midpoint of the line segment?
substitute the coordinates into the midpoint formula
A
substitute the coordinates into the point-slope formula
B
plot them on graph paper, draw the line, and count the squares to the middle
C
plot them on graph paper, create a right triangle, and use the Pythagorean Theorem
D
Martin is buying a fish tank. For the tank, he wants 10 clownfish, a few plants, and some
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stones for the bottom. He wants to make sure that the tank is large enough for the fish to swim
comfortably. What does he need to ask the salesman in order to make sure he buys a large
enough tank?
What type of food do clownfish eat?
A
How long do clownfish typically live?
B
What kind of plants do clownfish like?
C
How much space do clownfish need to swim?
D
Arizona Department of Education
11
Grade 8
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