Download Math 1111 Quiz 2 Practice Fall 2007 and more Quizzes Algebra in PDF only on Docsity!
Math 1111 Quiz 2 Practice Fall 2007
Name: Last ____________________, First ____________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Find the distance d(P 1
, P
) between the points P 1
and P 2
x -8 -6 -4 -2 2 4 6 8
y
8
6
4
2
x -8 -6 -4 -2 2 4 6 8
y
8
6
4
2
A) 194 B) 65 C) 8 D) 12
2) P
= ( 4 , - 7 ); P
A) 4 B) 32 2 C) 2 10 D) 32
Decide whether or not the points are the vertices of a right triangle.
A) Yes B) No
Solve the problem.
- Find all values of k so that the given points are 29 units apart.
(-5, 5), (k, 0)
A) 7 B) - 3, - 7 C) - 7 D) 3, 7
Find the midpoint of the line segment joining the points P 1
and P 2
5) P
= (0.8, - 0.5); P
A) (-1.1, 1.05) B) (1.85, - 1.6) C) (-1.6, 1.85) D) (1.05, - 1.1)
Solve the problem.
- If ( 6 ,
- 3 ) is the endpoint of a line segment, and ( 2 , - 2 ) is its midpoint, find the other endpoint.
A) ( 8 ,
11 ) B) (
1 ) C) ( 14 ,
5 ) D) (
List the intercepts of the graph.
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
A) (0, - 3 ), ( 3 , 0), (0, 1 ) B) (- 3 , 0), (0, 3 ), ( 1 , 0)
C) (0, - 3 ), (0, 3 ), ( 1 , 0) D) (- 3 , 0), (0, 3 ), (0, 1 )
List the intercepts for the graph of the equation.
- y = x
A) ( 6 , 0), ( 8 , 0), (0, 48 ) B) (0, 6 ), (0, 8 ), ( 48 , 0)
C) (0, - 6 ), (0, - 8 ), ( 48 , 0) D) (- 6 , 0), (- 8 , 0), (0, 48 )
- y =
x
8x
A) (- 8 , 0), ( 8 , 0) B) (0, 0)
C) (0, - 8 ), (0, 8 ) D) (- 64 , 0), (0, 0), ( 64 , 0)
Graph the equation by plotting points.
- y =
x
x -5 5
y
5
x -5 5
y
5
A)
x -5 5
y
5
x -5 5
y
5
B)
x -5 5
y
5
x -5 5
y
5
C)
x -5 5
y
5
x -5 5
y
5
D)
x -5 5
y
5
x -5 5
y
5
- x = y
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
A)
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
B)
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
C)
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
D)
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
- The average value of a certain type of automobile was $14,100 in 1991 and depreciated to $8040 in
- Let y be the average value of the automobile in the year x, where x = 0 represents 1991. Write
a linear equation that relates the average value of the automobile, y, to the year x.
A) y = - 1515 x + 1980 B) y = - 1515 x + 8040
C) y = -
x - 8040 D) y = - 1515 x + 14,
Find an equation for the line with the given properties.
- Parallel to the line 2 x
9 y
24 ; containing the point ( 3 ,
A) 2 x
- 9 y = - 48 B) 9 x + 2 y = - 6 C) 3 x + 9 y = 24 D) 2 x + 9 y = -
- Perpendicular to the line y =
x + 8; containing the point (3, - 2)
A) y = - 9 x
- 25 B) y = 9 x - 25 C) y = - 9 x + 25 D) y = -
x
Write the standard form of the equation of the circle with radius r and center (h, k).
- r = 6 ; (h, k) = (-1, 6)
A) (x + 6)
= 36 B) (x - 6)
C) (x + 1)
= 6 D) (x - 1)
Find the center (h, k) and radius r of the circle. Graph the circle.
- x
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
A) (h, k) = ( 6 , - 4 ); r = 2
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
B) (h, k) = ( 6 , 4 ); r = 2
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
C) (h, k) = (- 6 , 4 ); r = 2
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
D) (h, k) = (- 6 , - 4 ); r = 2
x -10 -5 5 10
y
10
5
x -10 -5 5 10
y
10
5
Solve the problem.
- A power outage affected all homes and businesses within a 4 mi radius of the power station. If the
power station is located 1 mi west and 3 mi north of the center of town, find an equation of the
circle consisting of the furthest points from the station affected by the power outage.
A) (x - 1)
= 16 B) (x + 1)
C) (x + 1)
= 16 D) (x - 1)
Answer Key
Testname: MATH 1111 Q2 V1-FALL-
1) A
2) C
3) B
4) B
5) B
6) B
7) B
8) D
9) A
10) C
11) B
12) A
13) A
14) B
15) D
16) C
17) B
18) D
19) D
20) C
21) C
22) B
23) C
24) A
25) A
26) C
