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Find the solution set for the equation, given the replacement set. 5x + 2y = –3; {(–2, 9.5), (–3, 11.5), (–4, 8.5), (–5, 6.5)} a. {(–2, 9.5), (–3, 11.5)} c. {(–4, 8.5)} b. {(–3, 11.5)} d. {(–4, 8.5), (–5, 6.5)}
The solution set for the equation, given the replacement set 5x + 2y = –3 is (–4, 8.5). when x = -4 -4*5 + 2y = -3 2y = 17 y = 8.5 when x = -3 -3*5 + 2y = -3 2y = 12 y = 6 when x = -2 -2*5 + 2y = -3 2y = 7 y = 3.5 when x = -5 -5*5 + 2y = -3 y = 11
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Asked 1/27/2015 10:17:09 AM
Updated 1/31/2015 5:50:36 AM
1 Answer/Comment
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The solution set for the equation, given the replacement set 5x + 2y = –3 is (–4, 8.5).
when x = -4
-4*5 + 2y = -3
2y = 17
y = 8.5
when x = -3
-3*5 + 2y = -3
2y = 12
y = 6
when x = -2
-2*5 + 2y = -3
2y = 7
y = 3.5
when x = -5
-5*5 + 2y = -3
y = 11
Added 1/31/2015 5:50:36 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [1/31/2015 6:15:26 AM]
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Questions asked by the same visitor
5x + 2y = –3; {(–2, 9.5), (–3, 11.5), (–4, 8.5), (–5, 6.5)} a. {(–2, 9.5), (–3, 11.5)} c. {(–4, 8.5)} b. {(–3, 11.5)} d. {(–4, 8.5), (–5, 6.5)} User: Find the solution set for the equation, given the replacement set. y = –5x + 8; {(6, –11), (4, –12), (5, –9), (3, –14)} a. {(6, –11)} c. {(4, –12)} b. {(3, –14)} d. {(5, –9)}
Weegy: -2 is the y-intercept for the equation: y = 5x ? 2 (More)
Question
Updated 1/20/2015 7:41:22 PM
2 Answers/Comments
The solution set for 5x + 2y = –3 is {(–4, 8.5)} .
when x = -4
5*(-4) + 2y = -3
-20 + 2y = -3
2y = -3 + 20
2y = 17
y = 17/2
y = 8.5
Added 1/20/2015 7:39:47 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [1/21/2015 12:12:15 AM]
The solution set for the equation, given the replacement set. y = –5x + 8 is (4, –12) .
when x = 4
y = -5*4 + 8
y = -20 + 8
y = -12
Added 1/20/2015 7:41:20 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [1/21/2015 12:13:37 AM]
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