Page 134 - TB_6B
P. 134
Activity 3 Word Problems
1 . Use matchsticks to make equilateral triangles.
...
a. Write the number of equilateral triangles made and the number of
matchsticks used.
Number of Triangle(s) 1
Number of Matchsticks 3
b. Let x = the number of triangle(s), and let y = the number of matchsticks.
Write an equation for the function.
c. Find the number of matchsticks needed to make 15 equilateral triangles.
2 . The letter O is divided with straight lines as shown below.
Answer each question.
O O O ...
a. Let x = the number of straight lines, and let y = the number of pieces.
Write an equation for the function.
b. How many pieces can the letter O be divided into with 12 straight lines?
29. Graph Functions 123
1 . Use matchsticks to make equilateral triangles.
...
a. Write the number of equilateral triangles made and the number of
matchsticks used.
Number of Triangle(s) 1
Number of Matchsticks 3
b. Let x = the number of triangle(s), and let y = the number of matchsticks.
Write an equation for the function.
c. Find the number of matchsticks needed to make 15 equilateral triangles.
2 . The letter O is divided with straight lines as shown below.
Answer each question.
O O O ...
a. Let x = the number of straight lines, and let y = the number of pieces.
Write an equation for the function.
b. How many pieces can the letter O be divided into with 12 straight lines?
29. Graph Functions 123
