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MAT 150 Algebra – Class #5

MAT 150 Algebra – Class #5. Topics: Solving Linear Equations Solve Real-World Application Solve Literal Equations Solve Direct Variation Problems. Warm-Up. B. What is the value of x if ?. Solving Multi-Step Equations. Solve:. Steps: Simplify everything you can:

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MAT 150 Algebra – Class #5

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  1. MAT 150 Algebra – Class #5 Topics: Solving Linear Equations Solve Real-World Application Solve Literal Equations Solve Direct VariationProblems

  2. Warm-Up B. What is the value of x if ?

  3. Solving Multi-Step Equations Solve: Steps: • Simplify everything you can: • Get rid of parenthesis. • Combine like terms on either side of the equal sign. • If there is more than one x left, get rid of one of them. • Follow SADMEP • Check your solution

  4. Solving Equations with Fractions • Simplify • Get rid of parenthesis. • Multiply ALL terms by the lowest common denominator. • Continue Simplifying • Combine like terms on either side of the equal sign. • If there is more than one x left, get rid of one of them. • Follow SADMEP • Solve: • Solve:

  5. Credit Card Debt It is hard for some people to pay off credit card debt in a reasonable period of time because of high interest rates. The interest paid on a $10,000 debt over 3 years is approximated by dollars when the interest rate is x%. What is the interest rate if the interest is $1637.60?

  6. Relationship Among x-Intercepts, Zeros and Solutions For the function • The zero of • The x-intercept of the graph y • The solution to the equation 22x - 264 = 0

  7. Solving Literal Equations Simple Interest: The formula for the future value of an investment of P dollars at simple interest rate r for t years is . Solve the formula for t, the years.

  8. Solving Literal Equations To find the Surface Area of a cylinder is given by , where r is the radius and h is the height. Solve the formula for h, the height.

  9. Assignment Pg. 99-102 #1-11 odd #35-41 odd #43 #52 #62 #71

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