Quick Check
Name
15-6
1. Which of these generalizations is true?
A All rectangles are squares.
B All parallelograms are rectangles.
C All squares are parallelograms.
D All trapezoids are parallelograms.
2. Which generalization can be shown to be incorrect based on
the illustration below?
A Rectangular prisms have 8 vertices.
B All rectangular prisms are cubes.
C Triangular prisms have 6 vertices.
D All cubes are rectangular prisms.
3. Lisa looked at a group of even numbers. The numbers were
4, 8, 48, and 64. She made a generalization that all even
numbers can be divided by 4. Which number below could
you use to show whether Lisa’s generalization is correct or
incorrect?
A 18
B 28 C 60
D 100
4. Writing to Explain Read the generalization:
All odd numbers greater than 30 are divisible by 3.
How can you test this generalization to determine whether it
is correct or incorrect? Explain what test you can use and
then determine whether the generalization is correct.
Q 15•6
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