Intermediate Algebra Review Part 8

Sick of ads?‚Äč Sign up for MathVids Premium
Taught by YourMathGal
  • Currently 4.0/5 Stars.
7426 views | 1 rating
Lesson Description:

Solutions to a Review for Midterm 1 in Intermediate Algebra--Rational Expressions, Equations, Proportions, Work Problems, Functions, Inequalities, Interval notation, Absolute Value Equations and Inequalities.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

There is a series of 11 videos. Pdf of problems is at: https://sites.google.com/site/harlandclub/Home/math/algebra/intrevmt1

Questions answered by this video:
  • How do you evaluate polynomial expressions for a value?
  • If P(x) = 3x^2 - 7, Q(x) = 4x + 5, and R(x) = x^2 + 2x, what is P(-4)?
  • If P(x) = 3x^2 - 7, Q(x) = 4x + 5, and R(x) = x^2 + 2x, what is Q(m - 5)?
  • If P(x) = 3x^2 - 7, Q(x) = 4x + 5, and R(x) = x^2 + 2x, what is Q(x)*R(x)?
  • If P(x) = 3x^2 - 7, Q(x) = 4x + 5, and R(x) = x^2 + 2x, what is R(x + h)?
  • How do you graph the piecewise function defined by f(x) = -2x if x <= -1 and f(x) = 3x + 2 if x > -1?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson shows you how to evaluate polynomial expressions for a given value. All steps and work involved in the problems are shown and explained. Each problem gets a little harder. Then, there are problems involving graphing piece-wise functions.