Generating...                               part1_n21

  1. $\displaystyle {{a}\over{5\,b}}$    + ${{a}\over{6\,b}}$ = ?

    $\displaystyle {{a}\over{30\,b^2}}$

    $\displaystyle {{11\,a}\over{30\,b}}$

    $\displaystyle {{a}\over{11\,b}}$

    $\displaystyle {{11\,b}\over{a}}$

    $\displaystyle {{a}\over{30\,b}}$

  2. If a rectangle has vertices (5, 4), (7, 4), (5, 2), and (7, 2), then the length of a diagonal is

    2

    4

    8

    2

    $\displaystyle 2^{{{3}\over{2}}}$

  3. The slope of the line y + 4x + 4 = 0 is

    $\displaystyle -{{1}\over{4}}$

    3

    $\displaystyle {{1}\over{4}}$

    4

    −4

  4. If y > 0 then $\sqrt{ 64\,y^2 + 36\,y^2} =$

    y

    10y

    8y

    14y

    100y

  5. If $\displaystyle x={{2}\over{3}}$ then $\displaystyle x-{{1}\over{x}}-2$ = ?

    $\displaystyle {{1}\over{6}}$

    $\displaystyle {{7}\over{6}}$

    $\displaystyle -{{17}\over{6}}$

    $\displaystyle {{25}\over{6}}$

    $\displaystyle -{{1}\over{6}}$

  6. If $\displaystyle {{x}\over{3}}+1=11$, then x = ?

    x = −30

    x = 36

    x = 30

    $\displaystyle x=-{{30}\over{11}}$

    x = −36


Department of Mathematics
Last modified: 2026-02-06