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]

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SOVLE EACH SYSTEM BY SUBSTITUTION- Show work (no work-no credit)

(6) [pic] (7) [pic]

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SOLVE EACH SYSTEM by the method of your choice-

(8) (9)

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