Proszę o pomoc w zadaniach 4, 5,6 . Z góry dziękuje za pomoc:)
4. D
5. y = ax + b
3 = a + b
10 = -2a + b
b = 3 -a
10 = -2a + 3 - a
-3a = 7
a = -⁷/₃
b = 3 + ⁷/₃ = ¹⁶/₃
B
6. b = -3
0 = -2a - 3
-2a = 3
a = -³/₂
y = -³/₂x - 3
A
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4. D
5. y = ax + b
3 = a + b
10 = -2a + b
b = 3 -a
10 = -2a + 3 - a
-3a = 7
a = -⁷/₃
b = 3 + ⁷/₃ = ¹⁶/₃
B
6. b = -3
0 = -2a - 3
-2a = 3
a = -³/₂
y = -³/₂x - 3
A