INEQUALITIES Flashcards

1
Q

for any a, b, c, element of a real number

  1. trichotomy
A

if a is not equal b, then a>b or a<b></b>

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2
Q
  1. transitivity property
A

if a>b and b>c, then a>c

also, if a<b></b>

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3
Q

multiplication property of inequality

A

if a>b, and c>0, then ac>bc

if a>b and c<0, then ac

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4
Q

critical number is the

A

variable in a factor that would make the factor 0

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5
Q

shortcuts to the solution of the equations of quadratic inequalities

the solution to ax² + bx + c >0 where A>0 depends on the discriminant D= Β²-4ac

A
  1. if D>0, then the solution is x>big CN
    OR
    x<small></small>
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6
Q

the solution to ax² + bx + c <0 where A>0 depends on the discriminant D= Β²-4ac

A
  1. if D>0 then the solution is small CN
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