CBA #1 Review - All

Set Q and Set Z are subsets of the real number system.

Q = {rational numbers}

Z = {integers}

Which Venn diagram best represents the relationship between Set Q and Set Z?

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There are a total of 463,100 books in a library. What is the value of the exponent when this number is written in scientific notation?

Mathematical Equivalence

ON

The area of a piece of land is 4,951,000 square meters. How is this number of square meters written in scientific notation?

​ (a)  

A student solved the equation x² = 132 to find the length of the diagonal of a square in centimeters. Which measurement is closest to x, the length of the diagonal of this square in centimeters?​ (a)  

• 11 cm
• 66 cm
• 44 cm
• 33 cm

The table shows the diagonal lengths of TV screens at a store.

Which TV screen has the smallest diagonal length in feet?

• Screen W

• Screen X

• Screen Y

• Screen Z

Which set of ordered pairs represents y as a function of x?

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Which representation shows y as a function of x?

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The two lines graphed on the coordinate grid represent a system of equations.

What is the x-coordinate of the ordered pair that best represents a solution to both equations?