System of Linear Graphs - Sample Math Practice Problems

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Complexity=3

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

1.   y = x + 1 Answer (x,y):

2.   Answer (x,y):

Complexity=5

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

1.   y = - 5x + 8 Answer (x,y):

2.   Answer (x,y):

Complexity=10

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

1.   Answer (x,y):

2.   y = - 2x + - 21 Answer (x,y):

Complexity=13

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

1.   Answer (x,y):

2.   Answer (x,y):

Complexity=14

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

1.   y = x + 2 Answer (x,y):

2.   y = - 9x + 99 Answer (x,y):

Complexity=15

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

1.   Answer (x,y):

2.   Answer (x,y):

Answers

Complexity=3

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

#	Problem	Correct Answer	Your Answer
1	y = x + 1	Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (3) = (2)/2 + 2 (3) = (2) + 1

#	Problem	Correct Answer	Your Answer
2		Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (-1) = -(2)/2 (-1) = 3(2)/2 + - 4

Complexity=5

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

#	Problem	Correct Answer	Your Answer
1	y = - 5x + 8	Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (3) = - 5(1) + 8 (3) = 5(1)/3 + 4/3

#	Problem	Correct Answer	Your Answer
2		Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (-5) = - 5(0)/4 + - 5 (-5) = -(0)/2 + - 5

Complexity=10

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

#	Problem	Correct Answer	Your Answer
1		Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (2) = 10(2)/3 + - 14/3 (2) = - 6(2)/5 + 22/5

#	Problem	Correct Answer	Your Answer
2	y = - 2x + - 21	Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (-7) = 4(-7)/5 + - 7/5 (-7) = - 2(-7) + - 21

Complexity=13

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

#	Problem	Correct Answer	Your Answer
1		Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (6) = - 2(-1)/13 + 76/13 (6) = - 5(-1)/6 + 31/6

#	Problem	Correct Answer	Your Answer
2		Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (8) = 2(-8)/13 + 120/13 (8) = - 3(-8)/5 + 16/5

Complexity=14

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

#	Problem	Correct Answer	Your Answer
1	y = x + 2	Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (7) = - 2(5)/3 + 31/3 (7) = (5) + 2

#	Problem	Correct Answer	Your Answer
2	y = - 9x + 99	Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (0) = -(11)/5 + 11/5 (0) = - 9(11) + 99

Complexity=15

Solve using the graph. Answer in the form (x,y) -- using parentheses. For example: (-2,3)

#	Problem	Correct Answer	Your Answer
1		Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (1) = 7(13)/2 + - 89/2 (1) = -(13)/2 + 15/2

#	Problem	Correct Answer	Your Answer
2		Answer (x,y):
Solution "Eyeball" the graph for the intersection coordinates. You can also try plugging them into x and y in the original equations to make sure they make the two sides equal: (-1) = 13(-10)/12 + 59/6 (-1) = 5(-10)/12 + 19/6