MCQs Theory of Quadratic Equations 1

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Online multiple-choice questions about the Theory of Quadratic Equations Class 10 with Answers. The Quiz contains 20 MCQs from Chapter 2 of class 10 Mathematics. Let us start with the Theory of Quadratic Equations Quiz.

Online Multiple Choice Questions from Chapter 2 of 10th class mathematics “Theory of Quadratic Equations”

1. The nature of the roots of equation $ax^2+bx+c=0$ is determined by

 
 
 
 

2. The sum of the cube roots of unity is

 
 
 
 

3. If $b^2-4ac>0$ but not a perfect square then roots of $ax^2+bx+c=0$ are

 
 
 
 

4. $\frac{1}{\alpha} + \frac{1}{\beta}$ is equal to

 
 
 
 

5. The product of cube roots of unity is

 
 
 
 

6. If $\alpha, \beta$ are the roots of $x^2-x-1=0$ then product of the roots $2\alpha$ and $2\beta$ is

 
 
 
 

7. Discriminant of $x^2-3x+3=0$ is

 
 
 
 

8. $\alpha^2+\beta^2$ is equal to

 
 
 
 

9. The roots of the equation $4x^2-5x+2=0$ are

 
 
 
 

10. The discriminant of $ax^2+bx+c=0$ is

 
 
 
 

11. If $\alpha$ and $\beta$ are the roots of $7x^2-x+4=0$ then $\alpha\beta$ is

 
 
 
 

12. If $b^2-4ac <0$ then the roots of $ax^2+bx+c=0$ are

 
 
 
 

13. If $\alpha, \beta$ are the roots of $px^2+qx+r=0$ then sum of the roots $2\alpha$ and $2\beta$ is

 
 
 
 

14. Discriminant of $2x^2 -7x+1=0$ is

 
 
 
 

15. Two square roots of unity are

 
 
 
 

16. If $\alpha$ and $\beta$ are the roots of $3x^2+5x-2=0$ then $\alpha + \beta$ is

 
 
 
 

17. The roots of the equation $4x^2-4x + 1 =0$ are

 
 
 
 

18. If $b^2-4ac=0$ then roots of $ax^2+bx+c=0$ are

 
 
 
 

19. If $b^2-4ac>0$ and is a perfect square then roots of $ax^2+bx+c=0$ are

 
 
 
 

20. Cube roots of $-1$ are

 
 
 
 

Theory of Quadratic Equations Class 10 Mathematics

Theory of Quadratic Equations 10 Class Mathematics

  • If $\alpha$ and $\beta$ are the roots of $3x^2+5x-2=0$ then $\alpha + \beta$ is
  • If $\alpha$ and $\beta$ are the roots of $7x^2-x+4=0$ then $\alpha\beta$ is
  • The roots of the equation $4x^2-5x+2=0$ are
  • Cube roots of $-1$ are
  • The sum of the cube roots of unity is
  • The product of cube roots of unity is
  • If $b^2-4ac <0$ then the roots of $ax^2+bx+c=0$ are If $b^2-4ac>0$ but not a perfect square then roots of $ax^2+bx+c=0$ are
  • $\frac{1}{\alpha} + \frac{1}{\beta}$ is equal to
  • $\alpha^2+\beta^2$ is equal to
  • Two square roots of unity are
  • The roots of the equation $4x^2-4x + 1 =0$ are
  • If $\alpha, \beta$ are the roots of $px^2+qx+r=0$ then sum of the roots $2\alpha$ and $2\beta$ is
  • If $\alpha, \beta$ are the roots of $x^2-x-1=0$ then product of the roots $2\alpha$ and $2\beta$ is
  • The nature of the roots of equation $ax^2+bx+c=0$ is determined by
  • The discriminant of $ax^2+bx+c=0$ is
  • If $b^2-4ac>0$ and is a perfect square then roots of $ax^2+bx+c=0$ are
  • If $b^2-4ac=0$ then roots of $ax^2+bx+c=0$ are
  • Discriminant of $2x^2 -7x+1=0$ is
  • Discriminant of $x^2-3x+3=0$ is

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Important MCQs Economics Questions 8

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The post is about the MCQs Economics Questions with Answers. There are 20 questions in this test. The Quiz will help you to prepare PPSC, FPSC, NAT, GAT, and many other testing services. It will also help in preparing for college and university admission and degree examinations. Let us start with the MCQs Economics Questions.

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MCQs Economics Questions with Answers

  • The real interest rate will increase
  • What would result from a depreciation of the pound on the foreign exchange market?
  • The news on television reports that the dollar has strengthened relative to the Japanese yen. This means that
  • In Keynesian economics, if aggregate expenditures are less than aggregate output then
  • Demand is elastic when the elasticity of demand is
  • Which of the following statements is TRUE about cartels?
  • After the collision, oligopolists can
  • If production remains the same and all prices double, then which of the following will happen?
  • The relationship between hours provided by labor and wage rate is
  • If the government wishes to achieve a fall in unemployment, which of the following policies should it adopt?
  • In the long run, sustained inflation is due to
  • The government has a balanced budget if:
  • The situation when a country imports more than it exports is known as
  • In a period of boom, credit creation is
  • What will be the impact of an increase in taxes?
  • Suppose the price of rail tickets decreases, what will happen to the demand for airline travel?
  • The production possibilities curve will shift upward if there is
  • Which of the following is NOT included in the perfect information assumption of perfect competition?
  • Suppose a monopolist sets his output at the level where marginal revenue, marginal cost, and average total cost are equal. In this case, economic profit will be
  • “An Enquiry into the Nature and Causes of Wealth of Nations” is a book by an economist.
MCQs Economics Questions with Answers

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MCQs Practical Geometry Triangles Class 9

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Online MCQs Practical Geometry Triangles Class 9 from Chapter 17 Mathematics. There are 32 Multiple Choice Questions from class 9 Mathematics Chapter 17 (“Practical Geometry Triangles”)with Answers. Let us start with the mathematics 9th class quiz.

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MCQs Practical Geometry Triangles Class 9

  • A triangle having two sides congruent is called ———–.
  • A quadrilateral having each angle equal to $90^o$ is called ————.
  • The right bisectors of the three sides of a triangle are ————-.
  • The ————— altitudes of an isosceles triangle are congruent.
  • A point is equidistant from the endpoints of a line segment on its ————-.
  • ———– congruent triangles can be made by joining the midpoints of the sides of a triangle.
  • The diagonals of a parallelogram ————– each other.
  • The medians of a triangle cut each other in the ratio.
  • One angle on the base of an isosceles triangle is $30^o$. What is the measure of its vertical angle?
  • If the three altitudes of a triangle are congruent then the triangle is ————.
  • If two medians of a triangle are congruent then the triangle will be ———-.
  • A line segment joining a vertex of a triangle to the midpoint of its opposite side is called ———— of the triangle.
  • A line segment from a vertex of a triangle perpendicular to the line containing the opposite side is called an ———– of the triangle.
  • The point of concurrency of the three altitudes of a $\triangle$ is called its —————.
  • The internal bisectors of the angles of a triangle meet at a point called the ———- of the triangle.
  • The point of concurrency of the three perpendicular bisectors of the sides of ———-.
  • The point of concurrency of three medians of a triangle is called ———.
  • The sum of the interior angles of a triangle is ————.
  • The side opposite to the right angle in a right-angled triangle is called ———-.
  • The altitudes of a right-angled triangle are concurrent at the ———–.
  • The triangles are said to be ———- if they are equiangular.
  • All the ————– right bisectors of sides of a triangle are concurrent.
  • All three bisectors of angles of a triangle are ————.
  • All the three medians of a triangle are ————-.
  • All the three altitudes of a triangle are ———–.
  • In-center is the point of concurrency of three ———– of triangle.
  • Circumcentre is the point of concurrency of three ———— of triangle.
  • Centroid is the point of concurrency of three ———– of triangle.
  • Three or more than three lines passing through the same point are called ———– lines.
  • The common point of three or more than three lines is called ———–.
  • In a right-angled triangle, if one angle is $30^o$ then the other angle will be ————.
  • In a right-angled triangle, if one angle is $60^o$ then the other angle will be ———–.
MCQs Practical Geometry Triangles class 9

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MCQs Theorems Related with Area 9th Class

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The quiz contains MCQs Theorems Related with Area from Mathematics of 9th class with Answers. Chapter 16 of 9th class mathematics is about theorems Related with Area. There are 16 Multiple-Choice Questions in this Quiz. Let us start with the Quiz.

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MCQs Theorems Related With Areas (9th Class Mathematics)

  • The region enclosed by the bounding lines of a closed figure is called the ———- of the figure.
  • If the square of one side of a triangle is equal to the sum of the squares of the other two sides then the triangle is a ———– triangle.
  • Let $c$ be the longest of the sides, $a$, $b$, and $c$ of a triangle. If $a^2+b^2=c^2$, then the triangle is ———–.
  • Let $c$ be the longest of the sides, $a$, $b$, and $c$ of a triangle. If $a^2+b^2>c^2$ then the triangle is.
  • Let $c$ be the longest of the sides $a$, $b$, and $c$ of a triangle. If $a^2+b^2<c^2$, then the triangle is.
  • If 3cm and 4cm are two sides of a right-angled triangle, then hypotenuse is
  • The right triangle ——— is a side opposite to the right angle.
  • In the figure below, $x$ is
  • In the figure below, $x=?$
  • In the figure below, $x=?$
  • In the right-angled triangle, the greater angle is ————-.
  • In a right-angled triangle, one angle is $90^o$ and the other two angles are ———-.
  • If the hypotenuse of an isosceles right-angled triangle is $\sqrt{2}$ then each of the other sides is.
  • In a right-angled triangle which side is the longest?
  • In a right-angled triangle if $m\angle B = 90^o$ then which of the following is true?
  • In an Isosceles right-angled triangle, two acute angles are equal to
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