ECAT Mathematics MCQ's Test For Full Book With Answers

ECAT Mathematics MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 The minimum value of the quadratic function f(x) = x2 +6x -2, is 11 6 -11 13
2 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
3 The standard parabolic form of the equation f(x) = x2 +4 x +1 is x(x+4)+1 (x+2)<sup>2</sup>-3 (x+4)<sup>3</sup> + 9 x(x-2)<sup>2</sup>+1
4 If f(x) = ax2, and a>0, then the lowest point on the parabola is called. Vertex of parabola Co-ordinates of parabola Roots of the equation Coefficient of the equation
5 If a parabola opens down, then its vertex is at the Right of the parabola Left of parabola Lowest point on the parabola Highest point on the parabola
6 The root of the quadratic equation are 3 2 1 4
7 In quadratic equation, if the replacement of y with -y leaves the equation unchanged, then the graph is Straight line Circle Hyperbola Symmetric w.r.t.0
8 In quadratic equation y=ax3 +bx+c, if b and c are both zero then the graph is Symmetric w.r.t.y-axis Symmetric w.r.t.x-axis Straight Line Circle
9 In quadratic equation f(x) = ax2,if a >0, then the graph of parabola Opens up Opens down close up symmetric w.r.t.x.axis
10 The graph of the quadratic equation is Straight line Circle Parabola elipse
11 The solution of the quadratic equation x2 -7x + 10=0, is 2 5 2,5 7
12 the largest degree of the terms in the polynomials is called terms of the polynomial degree of a polynomial co-efficient monomial
13 The roots of the equation x2 +6x-7=0,are 1 2 1 and -7 -7
14 A quadratic equation has two roots degree variables constants
15 Another name of quadratic equation is Polynomial 2nd degree polynomial Linear equation simaltaneous equations
16 A quadratic equation in x is an equation that can be witten in the form ax<sup>2 </sup>+ b = 0 ax<sup>3</sup> +b<sup>2</sup>+c=0 ax<sup>2</sup> +bx+c=0 ax<sup>3</sup> +bx<sup>3</sup>+cx=0
17 A semi-group having an identity is called a groupoid non-commutative abelian monoid
18 Identity element, if it exists, is inverse unique commutative associative
19 The set {E,0}, is closed under (ordinary) multiplication addition subtraction division
20 Addition is not operation on Natural numbers Even numbers odd numbers set of integers
21 Extraction of square root of a given number is a unary operation binary operation group inverse function
22 The extraction of a cube root of a given number is a Binary operation Unary operation group multiplicative inverse
23 Negation of a given number is an example of Binary operation group unary operation function
24 N is closed with respect to ordinary addition multiplication addition and multiplication division
25 There will be no inverse if the function is one -to - one One to many onto into
26 The inverse of a line is inverse Line quadratic Circle
27 The function denoted by 1/f called the Reciprocal function Inverse function Constant function Reverse function
28 A function∫ will have an inverse function if and only if it is a onto function into function Constant one-one function
29 ax+by+c = 0 , represents a Circle Parabola Straight line Quadratic circle
30 The group of a constant line is Vertical line Parabola Circle Horizontal line
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