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Introduction to Algebra



Day 15, Contents
 
  • Answers to Homework
  • Student Homework Warm Up Exercises
  • Answers to Student Homework
  • Comments on Dimensions, units, square units, cubic units
  • Homework


Day 15, Warm Up Exercises
Laurel. the area of a circle in which the radius is five more than the sum of a number and three
 
Steve. the distance traveled at a certain speed for 5 hours
 
Terrell. the area of a triangle with the base 3 units longer than the height
 
Anthony. the area of a triangle in which the base is 5 units longer than the height
 
Abby. the area of a triangle where the height is 2 more than the base
 
Paul. the area of a rectangle in which the width is ten more than its normal height


Answers to Warm Up Exercises
Laurel. the area of a circle in which the radius is five more than the sum of a number and three
(area)
(radius)2
(5 more than the sum of a number and three)2
( (sum) + 5)2
( ( (number) + 3) + 5)2
( (x + 3) + 5)2
(x + 8)2
 
Steve. the distance traveled at a certain speed for 5 hours
(distance)
(rate)(time)
(x)(5)
5x
 
Terrell. the area of a triangle with the base 3 units longer than the height
(area)
(base)(height)/2
((height) + 3)(height)/2
(x + 3)(x)/2
 
Anthony. the area of a triangle in which the base is 5 units longer than the height
(area)
(base)(height)/2
(5 units longer than height)(height)/2
( (height) + 5)(height)/2
(x + 5)(x)/2
 
Abby. the area of a triangle where the height is 2 more than the base
(area)
(base)(height)/2
(base)(2 more than base)/2
(base)( (base) + 2)/2
(x)(x + 2)/2
 
Paul. the area of a rectangle in which the width is ten more than its normal height
(area)
(height)(width)
(height)(10 more than height)
(x)( (height) + 10)
(x)(x + 10)
 


Comments on Dimensions, units, square units, cubic units


Homework
Homework



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