ECAT Mathematics Online Test With Answers

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ECAT Mathematics Online Test

Sr. # Questions Answers Choice
1 1/2,1/3,1/4,1/5.........is a geometric sec an arithmetric series finite sequence an infinite sequece
2 The 6th term of the sequence 7,9,12,16......is 27 32 20 19
3 The element range of sequence are called Series progression Members Terms
4 1,1/3,1/5,1/7,1/9..... is a geometric sequence finite sequence infinite sequence arithmetic series
5 If the domain of sequence is finite set then the sequence is called geometric sequence infinite sequence finite sequence arithmetic sequence
6 A sequence having no last term is called arithmetic sequence Geometric sequence Finite sequence Infinite sequence
7 If all members of a sequence are real numbers then it is called a Series Function Real sequence Range
8 A sequence is a functions whose domain is a subset of the set of Natural numbers Real numbers Whole numbers Rational numbers
9 Sequence also called.............. Series Function progressions Elements
10 An equation which hold good for all values of the variables is called Identity fraction mixed form Partial equation
11 To express a single rational fraction as a sum of two or more single rational fractions which are called improper fractions Partial fractions mixed form Polynomials
12 An improper rational fraction can be reduced by division to a Proper fraction Polynomial mixed form
13 When rational fraction is separated into partial fractions, the result is an identity A fraction A partial sum Improper fraction
14 Sum of all the four forth roots of unity is 1 -1 i 0
15 Each complex cube root of unity is square of itself 1 -1 the other
16 A polynomial P(x)has a factor (x-a)if P(a) = a x 1 0
17 If a polynomial p(x) is divided by x-c, then the remainder is p(x) x-c c P(c)
18 The synthetic division method is only used to divide a polynomial by quadratic equation binomial linear equation monomial
19 If x-2 and x-1 both are factors of x3-3x3+2x-4p, then P must equal to 1 2 0 -2
20 Which of the following is factor of x11+a11, where n is an odd integer x-a x+a 2x-a 2x+a
21 If 3x4 +4x3+x5is divided by x+1 , which of the following is the remainder 7 -2 6 1
22 (x-1) is a factor of 2x<sup>3</sup>-3x<sup>2</sup>+9 2x<sup>3</sup>-5x-8 48x<sup>2-</sup>46x-9 x<sup>9</sup>-1
23 Which of the following is factor of p(x) =2x3 +3x2+3x+2 ? x+1 2x+1 3x+1 2x-1
24 The maximum value of the quadratic function f(x) = 2x2-4x+7,is 3 5 -3 -5
25 The maximum value of the quadratic function f(x) = -2x2+20x,is 4 3 50 7
26 The vertex of the graph of the quadratic function f(x) =-x2+6x+1,is (-3,10) (-3,-10) (3,10) (3,-10)
27 The vertex of the graph of the quadratic function f(x) = x2 -10, is (0 , -10) (-10,0) (10,0) (0,10)
28 The minimum value of the quadratic function f(x) = 5 x 2-11,is -11 6 -7 7
29 The minimum value of the quadratic function f(x) = x2 +6x -2, is 11 6 -11 13
30 The standard form of the quadratic function f(x) = -x2 +4x+2, is (x-2)<sup>2</sup>+6 -(x-2)<sup>2</sup> + 6 (x-3)<sup>2</sup>+5 (x+4)<sup>2</sup>-7
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