Midpoint Check Review 3rd

On the coordinate plane, what is the distance between (-6, 7) and (-6, -2)?

• 0 units

• 5 units

• 9 units

• 12 units

Which explanation uses the number line to show 5 + (-5) = 0?

• 5 + (-5) is located a distance of 5 units from 5 in the negative direction.

• 5 + (-5) is located a distance of 5 units from 5 in the positive direction.

• 5 + (-5) is located a distance of 10 units from 5 in the negative direction.

• 5 + (-5) is located a distance of 10 units from 5 in the positive direction.

The length of the rectangle is 8 units longer than the width, (w). Which choice is a correct expression for the perimeter of the rectangle?

• 2w + 16

• 4w + 16

• 6w + 16

• 8w + 16

If the values are graphed on a number line, which value is farthest to the left?

• -8 is the farthest left on the number line.

• 7 is the farthest left on the number line.

• -(-9) is farthest left on the number line.

• -(6) is the farthest left on the number line.

Which statement is true?

• A. Point (-2, -7) is located in Quadrant I of a coordinate plane.

• B. Point (3, -9) is located in Quadrant II of a coordinate plane.

• C. Point (-4, 8) is located in Quadrant III of a coordinate plane.

• D. Point (5, -1) is located in Quadrant IV of a coordinate plane.

Raja is trying to decide to which of four cities she should move. She wants to live in the city with the lowest average temperature change, written in absolute value. Raja uses the cities’ average temperature changes to compare.

Buffalo | 8°|

Anchorage | -12°|

Charlotte | 7°|

Pittsburgh | -9°|

To which city should Raja move?

• A. Anchorage

• B. Buffalo

• C. Charlotte

• D. Pittsburgh

Which statement describes the situation with the least absolute value?

• The balance in a bank account is –$55.

• The temperature outside is –13°F.

• A football team gained 6 yards on a play.

• The elevation of a city is 14 feet below sea level.

A teacher asks four students to simplify the expression -9 - 10. The table shows the students’ responses.

Which statement is true?

• Student S

  -9 - 10 = -9 + (-10) = -19.

• Student T

  -9 - 10 = 9 + (-10) = -1.

• Student U

  -9 - 10 = -10 - 9 = 1.

• Student V

  -9 - 10 = 9 - (-10) = 19.

What is the value of 8 + (-3) + 15 - (-40)?

• -60

• -20

• 20

• 60

Which can represent the perimeter of the rectangle?

• 2 times the sum of a number n and 10.

• 6 times the sum of a number n and 4.

• the sum of 6 times a number n and 24.

• the sum of 12 times a number n and 48.