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Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

Middle/High School Algebra, Geometry, and Statistics (AGS)4.2 Quadratic Equations - II

 example: Factorize, x2+7x+12. Solution: Given that, x2+7x+12. 7x is to be written as the sum of two terms such that the product of their coefficient is 12. 7x = 3x+4x = 3*4 = 12 Therefore, x2+(3x+4x)+12 (x2+3x)+(4x+12) Take x as common, we get x(x2+3)+(4x+12) Take 4 as common, we get = x(x+3)+4(x+3) Take (x+3) as common, we get = (x+4)(x+3) Directions: Solve the following problems. Also write at least ten examples of your own.
 Q 1: Factorize, x2+6x+9.(x+5)(x+6)None of these(x+3)(x+3)(x+1)(x+2) Q 2: Factorize, x2+12x+35.(x+4)(x+6)(x+2)(x+7)None of these(x+7)(x+5) Q 3: Factorize, x2+11x+30.None of these(x+5)(x+6)(x+3)(x+3)(x+1)(x+2) Q 4: Factorize, x2+10x+21.(x+4)(x+8)(x+3)(x+7)(x+2)(x+7)None of these Q 5: Factorize, x2+3x+2.(x+5)(x+6)None of these(x+1)(x+2)(x+3)(x+3) Q 6: Factorize, x2+12x+32.(x+3)(x+7)(x+4)(x+8)(x+2)(x+7)None of these Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!