Algebra - One Mark Questions

9th Standard

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Maths

Time : 00:30:00 Hrs
Total Marks : 15
    10 x 1 = 10
  1. The root of the polynomial equation 2x + 3 = 0 is

    (a)

    \(\frac{1}{3}\)

    (b)

    \(-\frac{1}{3}\)

    (c)

    \(-\frac{3}{2}\)

    (d)

    \(-\frac{2}{3}\)

  2. The sum of the polynomials p(x) = x3 – x2 – 2, q(x) = x2–3x+ 1

    (a)

    x3 – 3x – 1

    (b)

    x3 + 2x2 – 1

    (c)

    x3 – 2x2 – 3x

    (d)

    x3 – 2x2 + 3x –1

  3. The product of the polynomials p(x) = 4x –3 q(x) = 4x + 3

    (a)

    1 – x – 8

    (b)

    16x2 – 9

    (c)

    18x3 + 12x2 – 12x – 8

    (d)

    18x3 – 12x2 + 12x + 8

  4. The remainder when p(x) = x3 – ax2 + 6x – a is divided by (x – a) is

    (a)

    –5a

    (b)

    \(\frac {1}{5}\)

    (c)

    5

    (d)

    5a

  5. Degree of the polynomial (y3–2)(y3 + 1) is

    (a)

    9

    (b)

    2

    (c)

    3

    (d)

    6

  6. Which of the following is a monomial?

    (a)

    \({ 4x }^{ 2 }\)

    (b)

    \(a+b\)

    (c)

    \(a+b+c\)

    (d)

    \(a+b+c+d\)

  7. Which of the following is trinomial?

    (a)

    -7z

    (b)

    \({ z }^{ 2 }-{ 4y }^{ 2 }\)

    (c)

    \({ x }^{ 2 }y-{ xy }^{ 2 }+y\)

    (d)

    \(12a=9ab+5b-3\)

  8. The sum of \({ 5x }^{ 2 };-7x^{ 2 };8x^{ 2 };11x^{ 2 }\quad and\quad -9x^{ 2 }\) is _________________________

    (a)

    \(2{ x }^{ 2 }\)

    (b)

    \(4{ x }^{ 2 }\)

    (c)

    \(6{ x }^{ 2 }\)

    (d)

    \(8{ x }^{ 2 }\)

  9. The area of a rectangle with length \(2l^{ 2 }m\) and breadth \(3l^{ 2 }m\) is_______________________

    (a)

    \(6l^{ 3 }m^{ 3 }\)

    (b)

    \(l^{ 3 }m^{ 3 }\)

    (c)

    \(2l^{ 3 }m\)

    (d)

    \(4l^{ 3 }m^{ 3 }\)

  10. The coefficient of \({ x }^{ 2 }\quad and\quad x\quad in\quad 2{ x }^{ 3 }-5{ x }^{ 2 }+6x-3\quad are\quad respectively\)____________________

    (a)

    2, -5

    (b)

    2, 6

    (c)

    -5, 6

    (d)

    -5, -3

  11. 5 x 1 = 5
  12. The coefficient of -5x is ___________

    ()

    -5

  13. 7x - 5y + 3 has __________ terms

    ()

    3

  14. An expression having only two terms is called a __________

    ()

    binomial

  15. The degree of polynomial 5x2y + 3x3y2 + 3xy +7 is ____________

    ()

    5

  16. The sum of 7x2 - 4x + 5 and 9x - 10 is __________

    ()

    7x2 + 5x - 5

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