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Thursday 8th of August
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 Depdendent Variable

 Number of equations to solve: 23456789
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 Solve for:

 Dependent Variable

 Number of inequalities to solve: 23456789
 Ineq. #1:
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 Ineq. #4:

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 Solve for:

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Solving First Degree Inequalities

Equalities when things are equal

Inequalities when things are not equal

X > 6 any number that x takes must be greater than 6

X<=3 any number less than or equal to 3

What would that look like on a number line?

Open circles represent greater than/less than

Closed circles represent less/greater than or equal to.

3x - 2 < 13

to solve this treat it like a normal equation. Isolate for x.

3x - 2 + 2 < 13 + 2

3x < 15

x < 5 Test using LS/RS

Graph on a number line to represent the equation

 > 5 > 4(5) > 20 check using LS/RS 5x > 20 x > 4

WHEN YOU MULTIPLY OR DIVIDE BY A NEGATIVE NUMBER YOU CHANGE THE SIGN.