You have $150 at the beginning of the year. (Call that day “0”.) Every day you make $3.

Your parachute opens when you are 2,000 feet above the ground. (Call this time t=0t=0 size 12{t=0} {}.) Thereafter, you fall 30 feet every second. (Note: I don’t know anything about skydiving, so these numbers are probably not realistic!)

Make up a word problem like exercises #1 and #2. Be very clear about the independent and dependent variables, as always. Make sure the relationship between them is linear! Give the general equation and the slope of the line.

Compute the slope of a line that goes from (1,3)(1,3) size 12{ \( 1,3 \) } {} to (6,18)(6,18) size 12{ \( 6,"18" \) } {}.

For each of the following diagrams, indicate roughly what the slope is.

Figure 1: a.

Figure 2: b.

Figure 3: c.

Figure 4: d.

Figure 5: e.

Figure 6: f.

Now, for each of the following graphs, draw a line with roughly the slope indicated. For instance, on the first little graph, draw a line with slope 2.

Figure 7: b. Draw a line with slope m = − 1 2 m = − 1 2 size 12{m= { { - 1} over {2} } } {}

Figure 8: b. Draw a line with slope m = − 1 2 m = − 1 2 size 12{m= { { - 1} over {2} } } {}

Figure 9: c. Draw a line with slope m = 1 m = 1 alignl { stack { size 12{m=1} {} # {} } } {}

y=3x−2y=3x−2 size 12{y=3x - 2} {}

Slope:___________

y y-intercept:___________

Other point:___________

2y − x = 4 2y − x = 4 size 12{2y - x=4} {}

Equation in y=mx+by=mx+b size 12{y= ital "mx"+b} {}

Slope:___________

n n-intercept:___________

Other point:___________