y= kx + b
(1 ; 2) ⇒ x = 1 y = 2
2 = k * 1 + 4
2 = k + 4
k = 2 - 4
k = - 2
y = 3x + b
2 = 3 * 1 + b
2 = 3 + b
b = 2 - 3
b = - 1
Ответ:
к = -2, в = -1
Объяснение:
2 = к*1+4
к = -2,
2 = 3*1+в
в = -1
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y= kx + b
(1 ; 2) ⇒ x = 1 y = 2
2 = k * 1 + 4
2 = k + 4
k = 2 - 4
k = - 2
y = 3x + b
(1 ; 2) ⇒ x = 1 y = 2
2 = 3 * 1 + b
2 = 3 + b
b = 2 - 3
b = - 1
Verified answer
Ответ:
к = -2, в = -1
Объяснение:
2 = к*1+4
к = -2,
2 = 3*1+в
в = -1