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Basic Algebra Two Marks Questions

11th Standard

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Maths

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. Solve for x \(\left| x \right| -10<-3\)

  2. Solve \(-3\left| x \right| +5\le -2\) and graph the solution set in a number line.

  3. Compute \({ log }_{ 9 }^{ 27 }-{ log }_{ 27 }^{ 9 }\)

  4. Prove \(log\frac { { a }^{ 2 } }{ bc } +log\frac { b^{ 2 } }{ ca } +log\frac { c^{ 2 } }{ ab } =0\)

  5. Discuss the nature of roots of 4x2 - x - 2 = 0

  6. Discuss the nature of roots of 9x2 + 5x = 0.

  7. If a3+ b3= ab(8 - 3a - 3b), show that log \(\left( \frac { a+b }{ 2 } \right) =\frac { 1 }{ 3 } \)  (log a + log b)

  8. Find the value of \(\frac { 2-\sqrt { 3 } }{ \sqrt { 3 } } \) when \(\sqrt { 3 } \)  = 1.732

  9. Solve |3x - 4| = |x-2|

  10. If one of the roots of a quadratic equation is \((1-\sqrt{5})\) find the quadratic equation.

  11. Rationalize the denominator \(\frac{1}{\sqrt{5}+\sqrt{4}}\)

  12. Find the square root of 9-4\(\sqrt{5}\)

  13. If log102=.3010, log103=.4771 find log1072

  14. Resolve with partial fractions \(\frac{1}{(x^2-1)(x+2)}\)

  15. Simplify (343)2/3

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