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Geometry
Practice 2.1-2.2
Name___________________________
1. The first three members of a sequence are shown. Sketch the next figure in the sequence.
a.
b.
c.
d.
2. Describe the pattern in the numbers. Write the next 2 numbers in the sequence.
a. 4, 6, 9, 13, 18, …
______, ________
b. 32, 16, 8, 4, …
______, ________
c. 3, -9, 27, -81, …
______, ________
d. 1, 4, 9, 16, …
______, ________
3. Show the conjecture is false by finding a counterexample.
a. The quotient of two whole numbers is a whole number.
b. The square root of a number x is always less than x. (For all x,
x < x .)
4. Rewrite the conditional statement in if-then form.
a. An obtuse angle is an angle that measure more than 90º and less than 180º.
b. The car runs when there is gas in the tank.
c. It is time for dinner if it is 6 pm.
5. Write the converse, inverse, and contrapositive of each statement.
a. If you like hockey, then you go to the hockey game.
CONVERSE:
INVERSE:
CONTRAPOSITIVE:
b. If x is odd, then 3x is odd.
CONVERSE:
INVERSE:
CONTRAPOSITIVE:
6. Write the converse of each statement. If the converse is also true, rewrite the statement as a
biconditional statement.
a. If an angle measures 30º, then it is acute.
CONVERSE:
BICONDITIONAL?:
b. If an animal is a panther, then it lives in the forest.
CONVERSE:
BICONDITIONAL?:
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