Unit Test — Unit test Answers
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Which set of ordered pairs represents a function?
A
{(2, –2), (1, 5), (–2, 2), (1, –3), (8, –1)}B
{(3, –1), (7, 1), (–6, –1), (9, 1), (2, –1)}C
{(6, 8), (5, 2), (–2, –5), (1, –3), (–2, 9)}D
{(–3, 1), (6, 3), (–3, 2), (–3, –3), (1, –1)}22
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The graph represents a functional relationship.
A
–14B
–2C
0D
423
Consider the function represented by the table.
A
4B
5C
6D
724
Sam is determining the area of a triangle. In this triangle, the value for the height is a terminating decimal, and the value for the base is a repeating decimal. What can be concluded about the area of this triangle?
A
The area will be irrational because the height is irrational.B
The area is irrational because the numbers in the formula are irrational and the numbers substituted into the formula are rational.C
The area is rational because the numbers in the formula are rational and the numbers substituted into the formula are rational.D
The area will be rational because both the height and the base are irrational.25
Which of the following is always irrational?
A
the sum of two fractionsB
the product of a fraction and a repeating decimalC
the sum of a terminating decimal and the square root of a perfect squareD
the product of a repeating decimal and the square root of a non-perfect squareDid you find these answers helpful?
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