Question

Complete the table below and use it to answer the question in numbers 6-10. X y xy x2 y2 xy2 8 2 16 64 4 32 7 3 21 49 9 63 6 3 18 36 9 54 5 7 35 25 49 245 4 4 16 16 16 64 6. What is $\sum x$? * A. 15 B. 30 C. 48 D. 98 7. What is $\sum y$? * A. 19 B. 30 C. 48 D. 98 8. What is $\sum xy$? * A. 100 B. 106 C. 218 D. 390 9. What is the value of the expression below? * $\sum x^2$ A. 130 B. 136 C. 178 D. 190 10. What is the value of the expression below? * $\sum xy^2$ A. 430 B. 416 C. 458 D. 490

          Complete the table below and use it to answer the question in numbers 6-10.
X
y
xy
x2
y2
xy2
8
2
16
64
4
32
7
3
21
49
9
63
6
3
18
36
9
54
5
7
35
25
49
245
4
4
16
16
16
64
6. What is $\sum x$? *
A. 15
B. 30
C. 48
D. 98
7. What is $\sum y$? *
A. 19
B. 30
C. 48
D. 98
8. What is $\sum xy$? *
A. 100
B. 106
C. 218
D. 390
9. What is the value of the expression below? *
$\sum x^2$
A. 130
B. 136
C. 178
D. 190
10. What is the value of the expression below? *
$\sum xy^2$
A. 430
B. 416
C. 458
D. 490

Complete the table below and use it to answer the question in numbers 6-10.
X
y
xy
x2
y2
xy2
8
2
16
64
4
32
7
3
21
49
9
63
6
3
18
36
9
54
5
7
35
25
49
245
4
4
16
16
16
64
6. What is ∑ x? *
A. 15
B. 30
C. 48
D. 98
7. What is ∑ y? *
A. 19
B. 30
C. 48
D. 98
8. What is ∑ xy? *
A. 100
B. 106
C. 218
D. 390
9. What is the value of the expression below? *
∑ x^2
A. 130
B. 136
C. 178
D. 190
10. What is the value of the expression below? *
∑ xy^2
A. 430
B. 416
C. 458
D. 490

Added by Anthony H.

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