Elementary Algebra Practice Exam Solutions #6-8

Elementary Algebra Practice Exam Solutions #6-8
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These are solutions to a Practice Test made for my online Elementary Algebra class.

  • Where can I find Algebra practice exam problem questions and answers?
  • How do you solve and graph an inequality with one variable?
  • How would you solve 4x - 7 < 9x - 2 and graph x > -1 on a number line?
  • How do you know when to switch or flip an inequality sign?
  • How do you know when to have a closed or open dot when you graph an inequality?
  • How do you check the graph of an inequality?
  • How do you solve -3x >= 9 and graph x <= -3 on a number line?
  • If one angle of a triangle is 3 times as large as the smallest angle, and the measure of the third angle is 40 degrees more than the smallest angle, what is the measure of each angle?
  • How do you write and solve an equation for a triangle angle measure word problem?
  • If you find out one angle of a triangle in a word problem, how can you figure out the other two angles?
  • How can you check to make sure that the angles of a triangle in a word problem are correct?
  • How do you find the slope of a line between two points?
  • How can you find the slope between (4, -6) and (-5, -2)?
  • What is the slope between (5, -7) and (2, -7)?
  • What is the formula for slope between two points?
  • What is the slope between (11, 4) and (3, 8)?
This lesson goes through some example problems from a practice Algebra exam. Each step in the problems is shown clearly. The topics covered in this video are solving inequalities with one variable and graphing the solutions on a number line, writing and solving equations for the angle measures of a triangle, and finding the slope between two points.
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Reviewed by MathVids Staff on October 11, 2009.
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