Podaj postać kanoniczna y=4(x-3)(x+1)
y=4(x-3)(x+1) = 4(x² +x - 3x -3) = 4(x² -2x -3) = 4x² -8x -12
4x² -8x -12
Postać kanoniczna:
y=a(x-p)²+q
p=-b/2a = 8/8=1
q=-Δ/4a
Δ=(-8)²-4*4*(-12)=64 + 192 = 256
q=-256/16= -16
y=4(x-1)² -16
y=4(x-3)(x+1)
y = 4(x² + x - 3x - 3
y = 4(x² - 2x - 3)
y = 4x² - 8x - 12
Δ = b² - 4ac = 64 - 4 * 4 * (-12) = 64 + 192 = 256
Postać ogólna
y = a(x - p)²+ g
p = -b/2a = 8/8 = 1
g = -Δ/4a =
-256/16 =
-16
a = 4
postać kanoniczna
y = 4(x - 1)² -16
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y=4(x-3)(x+1) = 4(x² +x - 3x -3) = 4(x² -2x -3) = 4x² -8x -12
4x² -8x -12
Postać kanoniczna:
y=a(x-p)²+q
p=-b/2a = 8/8=1
q=-Δ/4a
Δ=(-8)²-4*4*(-12)=64 + 192 = 256
q=-256/16= -16
y=4(x-1)² -16
y=4(x-3)(x+1)
y = 4(x² + x - 3x - 3
y = 4(x² - 2x - 3)
y = 4x² - 8x - 12
Δ = b² - 4ac = 64 - 4 * 4 * (-12) = 64 + 192 = 256
Postać ogólna
y = a(x - p)²+ g
p = -b/2a = 8/8 = 1
g = -Δ/4a =
-256/16 =
-16
a = 4
postać kanoniczna
y = 4(x - 1)² -16