कैन ई गिव मी अ वर्कशीट फॉर क्लास सेवंथ फॉर अलजेब्रा
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Answer:
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Step-by-step explanation:
Choose correct option in questions 1 to 4.
1.Multiply 2a and 3a.
a. 6a2
b. 5a2
c. a2
d. 12a2
2.Get the algebraic expressions for subtraction of z from y.
a. y + z
b. y - z
c. y × z
d.
3.Find the value of x + 4 for x = 2.
a. 2
b. 4
c. 6
d. 8
4.Find the product of (2x + 3y) (2x + 3y).
a. 5x2 + 9y2 + 12xy
b. 4x2 + 7y2 + 12xy
c. 4x2 + 9y2 + 13xy
d. 4x2 + 9y2 + 12xy
Fill in the blanks:
5.When terms have the same algebraic factor, they are called __________.
6.An expression which contains two unlike terms is called _______.
7.A _________ can take various values.
8.Simplify these expressions and find their values,if x= 3,a= - 1,b= - 2.
a. 3x- 5a - x2 + 9b
b. 2b - 8x + 4x2 + 4a
9.Simplify combining like terms:
a. 3a - 2b - ab - (a - b + ab) + 3ab + b - a
b. 5x2y - 5x2 + 3yx2 - 3y2 + x2 - y2 + 8xy2 - 3y2
10.What should be taken away from 3x2 - 4y2 + 5xy + 20 to obtain - x2 - y2 + 6xy + 20?