What is the core electron configuration of calcium (Ca) metal? Z = 20.
Anonymous Quiz
6%
[Ne]4s²
78%
[Ar]4s²
7%
[Ar] 4s¹
9%
[Ar] 4s² 3d¹
❤3
What is the next term in the sequence: 1, 4, 7, 10, ......?
Anonymous Quiz
0%
15
10%
12
8%
14
82%
13
❤1
What is the common difference in the arithmetic sequence: 1, 4, 7, 10, ........?
Anonymous Quiz
0%
1
4%
2
93%
3
4%
4
Which one of the following sequence is an arithmetic sequence?
Anonymous Quiz
16%
1, 4, 9, 16, 25, .......
11%
1, 8, 27, 64, 125, ........
10%
1, 8, 18, 32, 50, .........
64%
1, 6, 11, 16, 21, ..........
What is the possible value of t in the sequence 100, 98, 94, 86, t, 38, . . . ?
Anonymous Quiz
12%
78
22%
82
51%
70
15%
54
What is the next number in the sequence: 2, 6, 12, 20, 30, ...?
Anonymous Quiz
18%
40
68%
42
9%
44
5%
46
What is the next term in the sequence 1, 1, 2, 3, 5, 8, 13, ...?
Anonymous Quiz
52%
21
15%
14
17%
20
17%
18
Which one of the following is the sum of all even natural numbers less than 99?
Anonymous Quiz
13%
2550
32%
5100
23%
5050
32%
2450
What is the value of x in the sequence -1, 0, 2, 6, x, 30, 62, ...?
Anonymous Quiz
8%
10
59%
14
20%
16
13%
15
If x - 2 is a factor of f(x) = 3x⁴ - 8x² - kx + 6, then which of the following is equal to the value of k ?
Anonymous Quiz
10%
-11
49%
11
33%
22
8%
-22
What are the values of a ànd k respectively so that x - 2 is a factor of f(x) = x⁴ - 2ax³ + ax² - x + k and f(-1) = 3 ?
Anonymous Quiz
30%
1 and -2
30%
-1 and -2
19%
-1 and 2
22%
1 and -2
Which one of the following can be the zero of a polynomial function p(x) = 4x² - 25 ?
Anonymous Quiz
13%
2/5
18%
5
31%
-2/5
38%
-5/2
Which one of the following statement is NOT true about the zeros of a polynomial function?
Anonymous Quiz
14%
For a polynomial function f and a real number c, if f(c) = 0; then c is a zero of f.
11%
If x - c is a factor of f(x), then c is a zero of f(x).
39%
A polynomial function can have more zeros than its degree.
36%
A polynomial function of degree 4 may not have any real zero.
Consider the polynomial function p(x) = (x + 6)(x - 3)², then which of the following is true about zeros and its multiplicity?
Anonymous Quiz
5%
6 is a zero of multiplicity 1.
31%
-3 is a zero of multiplicity 2.
21%
2 is a zero of multiplicity 3.
43%
3 is a zero of multiplicity 2.
When x³-2x²+3bx +10 is divided by x-3 the remainder is 37. Then what is the value of b?
Anonymous Quiz
16%
1
47%
2
21%
-1
16%
-2
When 2x³ - 5x² + 4x-8 is divided by ax² + bx +c the quotient is x-2 and the remainder is bx -a. Then what are the value of a, b and c respectively?
Anonymous Quiz
35%
2, -1 and 3
32%
-1, -2 and 3
26%
1, 2 and 3
6%
-1, 2 and 3
Which one of the following is the reminder when f(x)= 3x⁴-2x³-5x²+6 is divided by g(x) = x-1?
Anonymous Quiz
11%
-3
42%
2
33%
-2
14%
3
Which one of the following statement is exactly true about the graph of a polynomial function of degree 4?
Anonymous Quiz
22%
It has 3 turning points.
28%
The graph crosses x - axis at 4 times.
40%
The graph crosses y - axis at only once.
10%
The doesn't have relative extremum value.