Time (seconds) 2

3

4

5

6

Height (cm)

14

21

28

35

42

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Nine more than four times a number is the same as one less than twice the number. find the number?