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# TIU CET Review Math Session 6 - part 1 of 2

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College Entrance Test Review …

College Entrance Test Review
Math Session 6 - part 1 of 2
Equations
Rational Equations
Absolute Value Equations

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### Transcript

• 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