What should be the value of t so that the vectors A = (2, 5) and B = (10, t) become perpendicular to each other.
Anonymous Quiz
16%
4
59%
-4
16%
-3
10%
-17
What should be the other component of a 500 N force, if one of its component is 300 N ?
Anonymous Quiz
44%
200 N
10%
600 N
16%
400 N
30%
800 N
Given that: A = 2i + 5j and B = i - 3j, then what is A + B?
Anonymous Quiz
3%
i + 4j
24%
3i - 2j
70%
3i + 2j
3%
3i - 8j
If 0.8i + k j is a unit vector, then what is (are) the value (s) of k?
Anonymous Quiz
25%
± 0.8
52%
± 0.6
17%
0.6
6%
- 0.6
Let f(x) = 2ax² + x - 4, and f(1) = 0 then what is the value of a ?
Anonymous Quiz
4%
2/3
63%
3/2
29%
-3/2
4%
-2/3
❤2
❤2
What is the new value of b when the graph of f(x) = x² + 4x + 3 is shifted up 2 units and to the left 3 units( if f(x) = ax² + bx + c) ?
Anonymous Quiz
26%
26
42%
16
26%
10
6%
6
Let f(x) = 4 - 3x - x², then what is the maximum value of f ?
Anonymous Quiz
27%
25/4
34%
-25/4
25%
3/2
14%
-3/2
❤3
For the relation {(1, 2), (2, 3), (3, 4), (4, 5), (5, 6)}, then what is the domain of the given relation?
Anonymous Quiz
83%
{1, 2, 3, 4, 5}
7%
{2, 3, 4, 5}
4%
{2, 3, 4, 5, 6}
6%
{1, 3, 4, 5, 6}
If the domain of the relation R = {(x, y): y= x + 3} is A = {1, 2, 3, 4} then what is the range of R?
Anonymous Quiz
14%
{1, 2, 3, 4}
78%
{4, 5, 6, 7}
5%
{2, 6, 8, 10}
3%
{3, 5, 7, 9}
Let R = {(x, y): x, y an element of {1, 2, 3, 4, 5} and y = 2x - 1} then what is the range of R?
Anonymous Quiz
14%
{1, 2, 3, 4, 5}
23%
{1, 3, 5}
61%
{1, 3, 5, 7, 9}
2%
{7, 9}
❤2👍1
Let f = {(1, 2), (2, 3), (5, 6), (7, 8)} then what is the value of f(2) + f(5) ?
Anonymous Quiz
2%
6
16%
3
71%
9
12%
18
👍2
Let f(x) = 2x + 1 and g(x) = -3x - 4 then what is f+g ?
Anonymous Quiz
11%
-3x - 3
78%
-x - 3
8%
x - 3
3%
-x + 3
❤3👍1
Let f(x) = x + 3 and g(x) = 2x - 3 then what is the value of (2f + 3g)(1) ?
Anonymous Quiz
63%
5
15%
-5
12%
-15
10%
15
👍4
If cos(k) = -4/5 and k is 3rd quadrant angle then what is the value of cot(k)?
Anonymous Quiz
26%
A. 3/4
34%
B. 4/3
21%
C. 5/4
18%
D. 3/5
If x is the angle of the fourth quadrant. When tan(x) = -2, then what is the value of sec(x)?
Anonymous Quiz
20%
1/√5
49%
√5
9%
-√5
23%
√2
Which one of the following is true about the trigonometric function?
Anonymous Quiz
13%
Sin(30°) = Cos(50°)
48%
Sin(30°)² + cos(60°)² = 1
3%
Sin(k) = Cos( 180° - k)
38%
Cos(k) = Sin(90° -k)
Which of the following angles is not co-terminal with 60°?
Anonymous Quiz
39%
7π/4
32%
-660°
16%
780°
13%
-5π/3
If an angel teta is in standard position and its terminal side lies in quadrant IV on the line whose equation is V= -3x, then what is the value of sine teta?
Anonymous Quiz
4%
-√10/10
22%
√10/10
33%
3√10/10
41%
-3√10/10
Which of the following is not equal with the rest?
Anonymous Quiz
21%
sin(215°)
26%
-cos(55°)
26%
-sin(145°)
26%
-cos(125°)