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

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

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

1. 1. EQUATIONS TIU College Entrance Test Review Math Session 6
2. 2. <ul><li>REVIEW OF EQUATIONS </li></ul>
3. 3. What type of equation is this? linear quadratic quadratic linear
4. 4. What type of equation is this? rational radical absolute value literal
5. 5. RATIONAL Equations Multiply both sides by the LCD
6. 6. (Cont’d) We have to check if 0 is a possible solution. Look at The original problem.
7. 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. 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. 9. ABSOLUTE VALUE Equations <ul><li>What is x ? </li></ul>The replacement set for x is {-5, 5}.
10. 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. 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. 12. Keep in mind which variable you want to isolate. Put the terms with B on the same side of the equation. c c