Practice Page

Directions: Read carefully and choose the best answer.

1.
An iceberg, as shown, often has more of its mass below the water line. Only 80 feet of the iceberg shown at the right is above the water line.
If the bottom of the iceberg has an elevation of -300 feet, which of the following statements describes the elevation of the water line and the elevation of the top of the iceberg?
ICEBERG
 
Choose:
The elevation of the water line is -80 feet and the elevation of the top is 0 feet.
The elevation of the water line is -80 feet and the elevation of the top is 380 feet.
The elevation of the water line is 0 and the elevation of the top is 300 feet.
The elevation of the water line is 0 and the elevation of the top is 80 feet.

 

 

2.
The coordinates of point A are (3, 2½) and the coordinates of point B are (-3, -2½). Which coordinate plane below shows the correct locations of points A and B?

Choose:
 

axis2

axis1
 
axis3
axis4

 

 

3.
A segment is drawn connecting point A(-2,6) to point B(8,6). What is the length of this segment?
Choose:
 
6
10
12
14
eyeballs

 

 

4.
Point R is the opposite of neg12 and point S is the opposite of 72.
Which of the number lines shown below correctly shows points R and S?

Choose:
lineA
lineB
lineC
lineD

 

 

5.
The following values are plotted on a horizontal number line.
number5

Which of the following statements is true regarding the locations of these values on the number line?

Choose:
 
54is farthest to the left, and 310 is farthest to the right.
  neg25 is farthest to the left, and 38 is farthest to the right.
  54is farthest to the left, and 38 is farthest to the right.
  neg25 is farthest to the left, and 310 is farthest to the right.

 

 

6.
On a morning in December in New York State, the outside temperature was 2º F. In the next six hours, the temperature dropped an additional 15º. What was the temperature at the end of the six hours?
Choose:
 
-13º
-15º
-17º
-18º
cold

 

 

7.
Point X and point Y are located on a number line. Point X is located at -9 and point Y is 4 less than point X. Which of the following statements is true regarding point Y?

Choose:
 
Point Y is located at -5 to the right of point X.
  Point Y is located at -13 to the right of point X.
  Point Y is located at -5 to the left of point X.
  Point Y is located at -13 to the left of point X.

 

 

8.
Assuming points A, B, C and D lie on the intersection points of the graph grid lines, as shown at the right, what is the perimeter of the rectangle ABCD?

Choose:
 
11
20
22
28
rectangle

 

 

9.
Three numerical values, labeled r, s, and t, are located on a number line. The following is true about these values:
       r = -7
       s = -r
       t = -t
Which number line is correctly labeled?
Choose:
numberlineA3
numberlineA2
numberlineA1
numberlineA4

 

 

10.
In the graph at the right,
ΔABC has vertices
A(7,-1), B(6,-5), and C(1,-3).

Find the area, in square units,
of ΔABC.

Choose:
 
26
24
13
11
triangle

 

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