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ALGEBRA WEEKLY TEST


CHAPTERS COVERED: #ARITHMETIC PROGRESSION & #QUADRATIC EQUATION 

MARKS: 30 

1. Find the first five terms of the following sequences, whose nth terms are given.  tn = 4n – 3

2. Which of the following lists of numbers are Arithmetic Progressions? Justify.  1, 3, 6, 10, ..... 



5. What will be her salary after 20 months? [Ans.]


6. Write the following quadratic equations in standard form ax2 + bx + c = 0.  7 – 4x –x2 = 0  [Ans]


7. Solve the following quadratic equations by  factorization method.  x2 – 5x + 6 = 0 [Ans.]

8. Solve the following quadratic equations by using formula. m2 – 3m – 10 = 0 [Ans]

9. Determine the nature of the roots of the following equations from their  discriminants : y2 – 4y – 1 = 0 [Ans.]


10. Form the quadratic equation if its roots are : 5 and – 7     [Ans.]