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### Grade 6 - Mathematics12.34 Value of an Algebraic Expression - IV

 Directions: Answer the following questions. Also write at least 5 examples of your own.
 Q 1: If a=-1, b=-2, and c=-3, then check if the following statement is true or false. (a+b)2-(a-b)2 = 4ab.FalseTrue Q 2: If a=3, b=-5, and c=3, then check if the following statement is true or false. b2-c2 = (b+c)(b-c).FalseTrue Q 3: If a=1, b=1, and c=2, then check if the following statement is true or false. (a-b)2 = a2-2ab+b2.TrueFalse Q 4: If a=0, b=2, and c=4, then check if the following statement is true or false.(a+b+c)2 = a2+b2+c2+2ab+2bc+2ca.TrueFalse Q 5: If a=2, b=3, and c=4, then check if the following statement is true or false.(a-b)3 = (a-b)(a2-2ab+b2).TrueFalse Q 6: If a=0, b=1, and c=2, then check if the following statement is true or false.(a-b+c)2 = a2+b2+c2-2ab-2bc+2ca.TrueFalse Q 7: If a=3, b=- 5, and c=3, then check if the following statement is true or false. (a+b)2 = a2+2ab+b2.TrueFalse Q 8: If a=2, b=3, and c=-3, then check if the following statement is true or false. (a+b)2+(a-b)2 = 2a2+2b2.TrueFalse Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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