ECAT Mathematics MCQ's Test For Full Book With Answers

ECAT Mathematics MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 If f(x) = x2-x then f(0) is 0 1 2 3
2 Two quadratic equation in which xy term is missing and the coefficients of x2and y2are equal, give a linear equation by ______ Addition Subtraction Multiplication Division
3 If f(x) = -x3then f(-2) is -2 -4 -8 8
4 If f(x)= x3 then f(-2) is -2 -4 -8 8
5 The polynomial x - a is a factor of the polynomial f(x) if and only if f(a) is positive f(a) is negative f(a) = 0 None of these
6 If f(x) = -x2then f(-2) is -2 2 -4 4
7 The product of the four fourth roots of unity is 0 1 -1 None of these
8 If f(x) = (-x)2then f(-2) is 0 2 -4 4
9 If f(x) = x2then f(2) is -2 2 4 -4
10 If f(x) = x2then f(-2) is -2 2 4 -4
11
12 If f(x) = x2then f(0) is 0 1 2 none of these
13 If f(x) = x2then f(0) is 0 1 2 none of these
14 f(x) = x<sup>2</sup> f(x<sup>2</sup>) = x f(x) = x none of these
15 If y is an image of x under the function f, then we write y = f(x) x = f(y) y = x none of these
16 There are ______ basic techniques for solving a quadratic equation Two Three Four None of these
17 image pre-image constant none of these
18 (2 + w) (2 + w2) = ______ 1 2 3 0
19 images pre-images constants none of these
20 w28+ w38= ______ 0 1 w -1
21 w73= ______ 0 1 w w<sup>2</sup>
22 w29= ______ 0 1 w w<sup>2</sup>
23 For any integer k, wn= ______ when n = 3k 1 2 0 -4
24 range of f domain of f both (a) and (b) none of these
25 The product of cube roots of unity is Zero 1 -1 None of these
26 If b2- 4ac = 0 then the roots of the equation are Real and distinct Real and equal Imaginary None of these
27 x = f(y) y = f(x) x = f(x) y = f(y)
28 If b2- 4ac is positive then the roots of the equation are Real Imaginary Positive Negative
29 A function from X to X is denoted as f : X to Y f : Y to Y
30 The roots of the equation will be irrational if b2- 4ac is Positive and perfect square Positive but not a perfect square Negative Zero
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