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Math Session 6 - part 1 of 2

Equations

Rational Equations

Radical Equations

Absolute Value Equations

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- 1. EQUATIONS TIU College Entrance Test Review Math Session 6
- 2. <ul><li>REVIEW OF EQUATIONS </li></ul>
- 3. What type of equation is this? linear quadratic quadratic linear
- 4. What type of equation is this? rational radical absolute value literal
- 5. RATIONAL Equations Multiply both sides by the LCD
- 6. (Cont’d) We have to check if 0 is a possible solution. Look at The original problem.
- 7. What is the DOMAIN of the equation? <ul><li>x cannot be 0 or -3. Why? </li></ul>Why? n cannot be any number defined in math.
- 8. RADICAL Equations <ul><li>How do you check if you are correct? </li></ul><ul><li>Substitute 38 into the original equation. </li></ul>
- 9. ABSOLUTE VALUE Equations <ul><li>What is x ? </li></ul>The replacement set for x is {-5, 5}.
- 10. Two values for x: How do you check if you are correct? Substitute 10/3 and -2 one at a time into the original equation. First solution: Second solution:
- 11. LITERAL Equations <ul><li>Solve for B: </li></ul><ul><li>Get rid of the denominators by multiplying both sides of the equation by the LCD. </li></ul>
- 12. Keep in mind which variable you want to isolate. Put the terms with B on the same side of the equation. c c

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