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10 questions
Solve the quadratic inequality:
x2−4x−5≤0
−1≤x≤5
−5≤x≤1
x≥5 , x≤−1
x≤−5 , x≥1
Solve the quadratic inequality:
x2+9x+18<0
x<−6 , x>−3
−6<x<−3
x<3 , x>6
3<x<6
Solve the quadratic inequality:
x2+11x+10≥0
x≤−10 , x≥−1
x≥−10 , x≤−1
−10≤x≤−1
x≤1, x≥10
Solve the quadratic inequality:
x2+10x+16<0
2<x<8
−8<x<−2
−8<x<2
−2<x<8
Solve the quadratic inequality:
x2+3x−28≥0
x≥4 , x≤−7
x≥7 , x≤−4
−4≤x≤7
−7≤x≤4
Solve the quadratic inequality:
x2−23x+132>0
x<11 , x>12
11<x<12
x<−12 , x>−11
−12<x<−11
Solve the quadratic inequality:
x2−13x+22≤0
x≤−11 , x≥−2
−11≤x≤−2
2≤x≤11
x≥11 , x≤2
Solve the quadratic inequality:
x2−4x−32<0
x<−4 , x>8
−8<x<4
−4<x<8
x<−8 , x>4
Solve the quadratic inequality:
x2−14x+48>0
x<6 , x>8
6<x<8
−8<x<−6
x<−8 , x>−6
Solve the quadratic inequality:
x2−49≥0
x≤−7 , x≥7
x≤0 , x≥7
−7≤x≤7
−7≤x≤0
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