Mathematics, 14.12.2020 23:40 tangia

1. Which pair of expressions below is equivalent? a. x + y + x + y and 2(x + y)
b. 5x + 3x − 2y and −2y + 8x
c. 6x − 8y and 3(2x − 4y)
d. 9x(4) and 13x

2. The lowest point in the United States is in Death Valley. Its elevation is 282 ft.
below sea level. Which of the following choices expresses this elevation as an
integer?
a. 282
b. -282
c. 0
d. 94
Standard: 6.NS.3.5
Correct
Incorrect

3. Geographers use negative numbers to represent points below sea level, and
positive numbers to represent points above sea level. For example, the lowest
point in New Orleans is at −2 meters, and the highest point is at 6 meters.
What does 0 meters represent?
a. Sea level
b. The highest point in New Orleans
c. The lowest point in Baton Rouge
d. The lowest point in New Orleans

Answers: 3

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1. Which pair of expressions below is equivalent? a. x + y + x + y and 2(x + y)
b. 5x + 3x −...