11th Class FSC Mathematics Chapter 4 Test Online

One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............:

• 3 A
• 2 B
• 1 C
• 4 D

6 g of hydrogen gas is.

• 1 mole

  A

• 2 moles

  B

• 3 moles

  C

• 4 moles

  D

If the roots of x² - bx + c = 0 are two consecutive integers, then: b² - 4ac =

• 0 A
• 1 B
• -1 C
• 2 D

Solution set of the simultaneous equations : x + y = 1, x - y = 1 is:

• {(0,0)} A
• {(1,0)} B
• {(0,1)} C
• {(1,1)} D

In ax² + bx + c = 0, if b² - 4ac > 0 and perfect square the roots are:

• rational A
• irrational B
• equal C
• complex D

• 
  A
• 
  B
• 
  C
• i D

Sum of roots of ax² + bx + c = 0 is equal to product of roots only if:

• a+c=0 A
• b+c=0 B
• a+b=0 C
• a+b+c=0 D

• c = 0 A
• b = 0, c = 0 B
• 
  C
• 
  D

3^2x - 3^x - 6 = 0 is:

• reciprocal equation A
• exponentialequation B
• radicalequation C
• none of these D

The roots of the equation 25x² - 30x + 9 = 0 are;

• rational A
• irrational B
• equal C
• complex D

For what value of k, the roots of the equation x² + √k x + 2 = 0 are equal:

• 1 A
• 8 B
• 2 C
• 4 D

If the Discriminant of a quadratic equation is a perfect square, then roots are:

• real and equal A
• complex B
• rational C
• irrational D

Complex roots of real quadratic equation always occur in:

• conjugate pair A
• ordered pair B
• reciprocal pair C
• none of these D

• 
  A
• 
  B
• 
  C
• none of these D

If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the quotient P(x) + Q(x) will produce a polynomial of degree:

• m . n, plus a quotient A
• m - n, plus a remainder B
• m ÷ n, plus a factor C
• m + n, plus a remainder D

Synthetic division is a process of:

• division A
• subtraction B
• addition C
• multiplication D

Which one is radical equation:

• ax² + bx + c A
• ax + b = 0 B
• 
  C
• 2^x = 16 D

If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the product P(x) . Q(x) will be a polynomial of degree:

• m . n A
• m - n B
• m + n C
• m × n D

A numbers exceeds its square root by 6, the number is:

• 6 A
• 3 B
• 9 C
• none of these D

Solution set of the equation x² - 3x + 2 = 0 is

• {-1, 2} A
• {1, -2} B
• {-1, -2} C
• {1, 2} D