Which of the following could be the inequality illustrate...
Which of the following could be the inequality illustrated in the sketch graph above?
y≥2x+3
y≤-3x+3
y < 3x+2
y≤x +3
y≥3x+2.
Correct answer is B
Gradient of the line = 3−00−1
= -3
y = -3x + b.
Using (1,0), we have
0 = -3(1) + b
0 = -3 + b
b = 3
y = -3x + 3
∴ The graph illustrates y \leq -3x + 3.
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