Review Questions
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| 1. |
An
equation of line y in the figure below is: |
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| (A) |
x = 4y |
| (B) |
y = 4x |
| (C) |
y = 4 |
| (D) |
x = 4 |
| (E) |
This line is undefined. |
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| 2. |
Which
of the following lines is perpendicular to 2y =
4x + 9? |
| (A) |
y = 3x – 6 |
| (B) |
y = –3x + 6 |
| (C) |
y = – x + 6 |
| (D) |
y = – x – 2 |
| (E) |
y = – x + 2 |
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| 3. |
What
is the shortest distance between the circle x2 + y2 =
2 and the point (3, 3)? |
| (A) |
1.17 |
| (B) |
1.23 |
| (C) |
2.83 |
| (D) |
3.75 |
| (E) |
4 |
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| 4. |
What
is the least distance between the line y = 3x +
4 and the line that passes through the points (1, 14) and (3, 25)? |
| (A) |
0 |
| (B) |
23.67 |
| (C) |
27.89 |
| (D) |
45 |
| (E) |
49 |
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| 5. |
What
is the perimeter of the triangle with vertices (1, 0), (2,  ), and (4, 0)? |
| (A) |
0 |
| (B) |
7.65 |
| (C) |
8 |
| (D) |
9.32 |
| (E) |
21.77 |
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| 6. |
What
is the distance between the points (–5, 3, –1) and (2, 7, 10)? |
| (A) |
10.29 |
| (B) |
11.22 |
| (C) |
13.64 |
| (D) |
14.06 |
| (E) |
16.43 |
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| 7. |
If a =
(–5, 3) and  = (4,2), and  = 2 – a, what is the magnitude
of c? |
| (A) |
10.21 |
| (B) |
11.27 |
| (C) |
12.33 |
| (D) |
12.67 |
| (E) |
13.04 |
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| 8. |
a and b are
points on circle O. In polar coordinates, a is
the point (3,  ), and b is
the point (3,  ). What is the length
of chord AB? |
| (A) |
3.65 |
| (B) |
4.16 |
| (C) |
4.95 |
| (D) |
6 |
| (E) |
7.33 |
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