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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

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

Factorize, x2+7x+12.

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
Take x as common, we get
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+11x+30.
None of these

Q 2: Factorize, x2+10x+21.
None of these

Q 3: Factorize, x2+9x+14.
None of these

Q 4: Factorize, x2+12x+32.
None of these

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!

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