Review-Chapter 7-Solving Linear Systems –BOX ANSWERS
Review-Chapter 7-Solving Linear Systems –BOX ANSWERS
(1) Which of the following points is a solution to the system:
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a) ( 6,4) b) ( -6, -4) c) ( -4,-6 ) d) (4, 6)
SOLVE EACH SYSTEM BY GRAPHING:
(2) y = 3x (3) [pic]
y = 4x-1 [pic]
(4 ) [pic] ( 5 ) [pic]
[pic] [pic] [pic]
SOVLE EACH SYSTEM BY SUBSTITUTION- Show work (no work-no credit)
(6) [pic] (7) [pic]
[pic] [pic]
SOLVE EACH SYSTEM by the method of your choice-
(8) (9)
[pic] [pic] [pic] [pic]
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