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10 questions from this quiz
∣ax+b∣|ax+b|∣ax+b∣
Square both sides
4x2−12x+94x^2-12x+94x2−12x+9
(x−4)(x+1)<0(x-4)(x+1)<0(x−4)(x+1)<0
−1-1−1 and 444
Pick values to check which regions work
333
No, because 7≮57\not<57<5
−1<x<4-1<x<4−1<x<4
Between −1-1−1 and 444
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