Third Six Weeks Review #3

Front

What is the approximate number of skating rinks in the United States that offered free skate rentals in 2015 if 84% of 7,950 rinks did?

Back

6,678 skating rinks offered free skate rentals.

Front

In which quadrant is the point J located if its coordinates are (-3.75, -9.25)?

Back

Point J is located in Quadrant III.

Front

What is the equivalent expression for 43p + (26p + 17p)?

Back

(43p + 26p) + 17p.

Front

What is the prime factorization of 220?

Back

2² • 5 • 11.

Front

Which two expressions are equivalent: 4 + (3 ⋅ y) and (4 + 3) ⋅ y?

Back

Both expressions are equivalent.

Front

What is the formula to calculate the percentage of a number?

Back

Percentage = (Part / Whole) × 100.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variables.

Front

How do you determine the quadrant of a point in a coordinate plane?

Back

A point (x, y) is in Quadrant I if x > 0 and y > 0, Quadrant II if x < 0 and y > 0, Quadrant III if x < 0 and y < 0, and Quadrant IV if x > 0 and y < 0.

Front

What is the distributive property in mathematics?

Back

The distributive property states that a(b + c) = ab + ac.

Front

How do you find the prime factorization of a number?

Back

To find the prime factorization, divide the number by the smallest prime number until you reach 1.