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Grade 8 - Mathematics
7.51 Polynomials Review Test


Name: ___________________

Date:___________________

Grade 8 - Mathematics
7.51 Polynomials Review Test

Q 1: If a+b+c = 6 and a2+b2+c2 = 20, find the value of ab+bc+ca.
4
6
8
2

Q 2: If x+y = 8, xy = 12, find the value of x2+y2.
44
46
40
42

Q 3: Find the value of (58)2 using formula.
3354
3374
3384
3364

Q 4: If x-y = 3 and xy = 18, find the value of x2+y2.
43
47
45
49

Q 5: Find the product of (x+2)(3x+5).
3x2+11x+10
None of these
3x2-11x+10
3x2+9x+10

Q 6: If x-1/x = 10, find the value of x3-1/x3.
1030
1040
1050
1060

Q 7: Divide [(5a)3-(6b)3] by (5a-6b).
25a3+30ab+36b2
25a2-30ab+36b2
25a3+30ab+36b3
25a2+30ab+36b2

Q 8: (x+1)2 = _____?
x2+2xy+1
x2+2x+1
x2-2x+1
x2+2x-1

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Question 10: This question is available to subscribers only!


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