intersection points of lines y=0.5x+4 and y= - 2x+13?

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intersection points of lines y=0.5x+4 and y= - 2x+13?

2006-11-20 20:09:52 · 4 answers · asked by rugger 1 in Science & Mathematics ➔ Mathematics

4 answers

Well, 0.5x + 4 = -2x + 13, so 2.5x = 9, so x = 3.6 and y = 5.8.

2006-11-20 20:12:29 · answer #1 · answered by stephen m 4 · 0⤊ 0⤋

y=0.5x+4 --------------(1)
y= - 2x+13-------------(2)
(1) = (2), 0.5x + 4 = -2x + 13
2.5x = 9
therefore, x = 3.6
substituting x= 3.6 into (1) OR (2)
y=0.5(3.6) + 4
therefore y = 5.8
there is only one intersection point at x= 3.6 and y = 5.8

2006-11-20 21:39:02 · answer #2 · answered by Anonymous · 0⤊ 0⤋

0.5x + 4 = -2x + 13, so 2.5x = 9, so x = 3.6 and y = 5.8.

2006-11-21 03:28:57 · answer #3 · answered by anashateva 2 · 0⤊ 0⤋

x=3.6
y=5.8

2006-11-20 20:20:53 · answer #4 · answered by annie 1 · 0⤊ 0⤋