10th Class Mathematics Chapter 2 English Medium Online MCQ Test With Answer

By reducing high power omega we get, (img):

• 
  A
• 
  B
• 
  C
• 
  D

Sum of the cube roots of unity is:

• 0 A
• 1 B
• -1 C
• 3 D

• 9 A
• 7 B
• 5 C
• 3 D

Sum roots of 4x²-3x+6=0:

• 
  A
• 
  B
• 
  C
• 
  D

Roots of the equation 4x²-5x+2=0 are:

• Irrational A
• Imaginary B
• Rational C
• None of these D

The nature of the roots of equation ax²+bx+c=0, is determined by:

• Sum of the roots A
• Product of the roots B
• Synthetic division C
• Discriminant D

• 
  A
• 1 B
• 
  C
• 
  D

If b²-4ac = 0, then roots are:

• Rationaland equal A
• Irrationaland equal B
• Irrationaland unequal C
• Rational and unequal D

The nature of roots depends on the value of:

• -b+4ac A
• b²+4c B
• b²-4ac C
• -b+4ac² D

The expression "b²-4ac" of a quadratic equation is called:

• Determinant A
• Redicand B
• Discriminant C
• Index D

Reduce form of (img) is:

• 
  A
• 
  B
• 1 C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

Identify the equation whose roots are imaginary and unequal:

• 2x²-x+1=0 A
• x²+8x+16=0 B
• 3x²+4x+2=0 C
• x²-7x+7=0 D

• 
  A
• 
  B
• 
  C
• 
  D

ax²+bx+c=0, c is the:

• Co-efficient A
• Variable B
• Factors C
• Constant D