10) For what values of x and y must ABCD be a parallelogram?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.6: Rules For Multiplication
Problem 32WE
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10) For what values of x and y must ABCD be a parallelogram?

7.
B
4x - 5
8.
y-1 2y-7
A
2x-
3x
(y + 78)
A
3y
(4x - 21)
D
D.
Transcribed Image Text:7. B 4x - 5 8. y-1 2y-7 A 2x- 3x (y + 78) A 3y (4x - 21) D D.
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