PART V.
Y
= 2x
Y
= 2x+5
Y
= 2x - 3
Y
= 2x - 9
1
2
3
4
Answer these questions:
1) How are the lines similar?
2) What is it about the equation that makes them similar?
3) How are the lines different?
4) What is it about the equation that makes them different?
5) Write an equation similar to these that crosses the y-axis at 6.
PART VI.
Y
= x + 3
Y
= x + 3
Y
= 2x + 3
Y
= -x + 3
1
2
3
4
Answer these questions:
1) How are the lines similar?
2) What is it about the equation that makes them similar?
3) How are the lines different?
4) What is it about the equation that makes them different?
Practice:
1) Where does each of the following cross the y-axis?
y = 2x + 7
__________
y = -x + 11
__________
y = x - 8
__________
2) Which line is the steepest and why?
y = x + 8
__________
y = 3x - 4
__________
y = x + 3
__________