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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
7.34 Special Products: (x+a)(x+b)

Formula : (x+a)(x+b) = x2+x(a+b)+a.b


Example:
Find the product of (x+2)(x+3).
Solution:
Using above formula,
(x+2)(x+3) = x2+x(2+3)+2.3
= x2+5x+6

Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: Find the product of (x+3)(x+3).
x2+4x+9
x2+6x+6
x2+6x+9

Q 2: Find the product of (x+4)(x+8).
x2+8x+32
x2+12x+32
x2+12x+36

Q 3: Find the product of (x+1)(x+2).
x2+3x+4
x2+2x+2
x2+3x+2

Q 4: Find the product of (x+7)(x+3).
x2+15x+10
x2+21x+10
x2+10x+21

Q 5: Find the product of (x+4)(x+6).
x2+8x+24
x2+10x+24
x2+10x+14

Q 6: Find the product of (x+7)(x+5).
x2+11x+35
x2+12x+25
x2+12x+35

Q 7: Find the product of (x+2)(x+7).
x2+5x+14
x2+9x+14
x2+9x+7

Q 8: Find the product of (x+6)(x+2).
x2+12x+8
x2+8x+18
x2+8x+12

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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