Download Unit 2 Midunit Quiz Review

Name
Class
Date
Chapter 2 Quiz 1
Form G
Lessons 2-1 through 2-3
Do you know HOW?
Use inductive reasoning to describe the pattern of each sequence. Then find the
next two terms.
1.
8, 3, 9, 4, 10, 5, . . .
2.
20, 10, 5, 2.5, 1.25, . . .
3.
4.
Find a counterexample for each conjecture.
5. The sum of a negative and a positive number is always negative.
6. All parallelograms are rectangles.
7. The product of two numbers is always greater than their sum.
Rewrite each statement as a conditional statement.
8. The grass is wet because the water sprinkler system was turned
on this morning.
9. A rectangle is a parallelogram with four congruent angles.
10. Write the converse, inverse, and contrapositive of the conditional statement:
If the figure is a parallelogram, then the figure is a quadrilateral. Determine
the truth value of each statement. If it is false, provide a counterexample.
Rewrite each definition as a biconditional.
11. Squares have four congruent sides and four congruent angles.
12. Isosceles trapezoids have two opposite congruent sides.
Do you UNDERSTAND?
13. Vocabulary Write a definition for “biconditional” that is written as a
biconditional.
14. Open-Ended Write the first 10 terms of a sequence whose first five terms are
–2, 3, –1, 4, and 0. Describe the pattern.
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