10th class Mathematics chapter 2 online mcq test with answers for matric part 2 Mathematics unit 2 (Theory of Quadratic Equations)

Mathematics 10th Class English Medium Unit 2 Online Test

Sr. #	Questions	Answers Choice
1	Identify the equation whose roots are imaginary and unequal:	2x<sup>2</sup>-x+1=0 x<sup>2</sup>+8x+16=0 3x<sup>2</sup>+4x+2=0 x<sup>2</sup>-7x+7=0
2	The nature of the root of equation x²-5x+5=0	Rationaland equal Irrationaland unequal Irrationaland equal Rationaland unequal
3	If b²-4ac < 0, then roots are:	Unreal Imaginary Real Unequal
4	If b²-4ac = 0, then roots are:	Rationaland equal Irrationaland equal Irrationaland unequal Rational and unequal
5	If b²-4ac > 0 and is not a perfect square, then roots are:	Rationaland unequal Irrationaland equal Rationaland equal Irrationaland unequal
6	If b²-4ac>0 and is a perfect square, then roots are:	Rational and equal Rationaland unequal Irrationaland equal Irrationaland unequal
7	The discriminant of quadratic equation is:	b<sup>2</sup>-4ac -b<sup>2</sup>+4ac
8	If a = 2, b = -7, c = 1, then the value of b²-4ac is:	37 39 41 42
9	The discriminant of x²-3x+3=0 is:	-3 3 -2 2
10	if a=1, b=-3 and c= 3, then discriminant is:	3 -2 2 -3
11	The discriminant of 2x²-7x+1= 0 is:	41 45 43 47
12	The nature of roots depends on the value of:	-b+4ac b<sup>2</sup>+4c b<sup>2</sup>-4ac -b+4ac<sup>2</sup>
13	A quadratic equation has:	Two roots Three roots Fourroots Fiveroots
14	The expression "b²-4ac" of a quadratic equation is called:	Determinant Redicand Discriminant Index
15	Product of roots of equation 5x²+3x-9=0: