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Find the roots of quadratic equation x^2...

Find the roots of quadratic equation `x^2 + 4x + 3 = 0` by "Completing Square method".

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VGS PUBLICATION-BRILLIANT-SUMMATIVE ASSESSMENT-SUMMATIVE ASSESSMENT
  1. Write any two linear polynomials having one term and three terms.

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  2. If A = {x : x is a factor of 12} and B = {x : x is a factor of 6}, the...

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  3. Find the roots of quadratic equation x^2 + 4x + 3 = 0 by "Completing S...

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  4. For what value of 'm' in the following, mx + 4y = 10 and 9x + 12y = 30...

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  5. Which term of the G.P. : sqrt2, 2, 2sqrt2, 4, ....... is 32 ?

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  6. If x^2 + y^2 = 10xy, prove that 2 log (x + y) = log x + log y + 2 log ...

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  7. Shashanka said that (x + 1)^2 = 2(x - 3) is a quadratic equation. Do y...

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  8. Use Euclid's division lemma to show that the square of any positive in...

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  9. Show that sqrt5-sqrt3 is an irrational number.

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  10. Draw a graph for the polynomial p(x) = x^(2) + 3x -4 and find its zero...

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  11. Draw the graph of x + y = 11 and x - y = 5. Find the solution of the p...

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  12. A train travels 360 km at a uniform speed. If the speed had been 5 km/...

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  13. Find the sum of all the integers between 1 to 50 which are not divisib...

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  14. Find the area of a rhombus ABCD, whose vertices taken in order, are A ...

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  15. If A = {x : x is a prime less than 20} and B = {x : x is a whole numbe...

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  16. if a, b,c are in A.P. then b =

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  17. If the number of subsets of a given set is 32, then the number of elem...

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  18. The distance of (3, 4) from origin is

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  19. The sum of the roots of 6x^2 = 1 is

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  20. If the polynomial p(x) = x^4 - 2x^3 + x^2 - 1 is divided by (x + 1), t...

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