Slope Intercept Form
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1
2Chapter 7 Review
7.1 Slope-Intercept Form
d)
y
2
1. For each line, state the slope and
y-intercept. Then, write the equation of
the line in slope-intercept form.
x
0
2
4
-2
a)
y
4
-2
2
-4
x
-6
0
2
4
-2
-2
1
__
2. The equation of a line is y
x
b.
3
What is the value of b if the line passes
-4
through the point ( 3, 7)?
b)
y
3. The equation of a line is y
mx 8.
6
Determine the value of m if the line
passes through the point ( 2, 6).
4
4. Mandy’s hockey team is trying to raise
$850 to attend a tournament. The team
2
has raised $500. They plan to raise the
remainder of the money by collecting
plastic 4-L milk jugs, which they redeem
x
0
2
4
6
-2
for $0.25 per jug.
a) Write a linear equation to represent
-2
this situation, where y is the money
they have raised.
c)
y
4
b) Graph the line for the equation in
part a).
2
c) State the slope and y-intercept of
the line. What does each of these
represent?
x
0
2
4
6
8
d) Determine from the graph how
many jugs the team must collect to
-2
raise enough money to attend the
tournament. Verify your answer
algebraically.
158 MHR • Chapter 7 978-0-07-012733-3
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