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secondary 3 | A Maths
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Date Posted: 2 years ago
Views: 460
no intersection
→ means the 2 lines r in parallel
→ means same gradient
ky - 2y -3x + 7 = 0
⇨
y(k - 2) = 3x - 7
⇨
gradiant → 3/(k - 2)
3/(k - 2) = (k+3)/2
(k - 2) • (k+3) = 6
k² + k -12 = 0
(k - 3) • (k+4) = 0
k₁ = 3
k₂ = -4
#
→ means the 2 lines r in parallel
→ means same gradient
ky - 2y -3x + 7 = 0
⇨
y(k - 2) = 3x - 7
⇨
gradiant → 3/(k - 2)
3/(k - 2) = (k+3)/2
(k - 2) • (k+3) = 6
k² + k -12 = 0
(k - 3) • (k+4) = 0
k₁ = 3
k₂ = -4
#
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