D
E
2-4 Writing Linear Equations
If the club sells all of the candy bars for $1, they will
get a profit of $400.
SOLUTION:
45. PROBABILITY A fair six-sided die is tossed.
What is the probability that a number less than 3 will
Substitute
and
show on the face of the die?
in the slope formula
F
.
G
H
J
SOLUTION:
The numbers less than 3 in a six-sided die are 2 and
1.
Substitute m = –2 and
in the point-
slope form
.
So the correct choice is G.
46. ACT/SAT What is an equation of the line through
and
A
So, the correct choice is A.
B
Determine the rate of change of each graph.
C
D
E
SOLUTION:
47.
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SOLUTION:
Substitute
and
The line passes through the points (0, 4) and (6, –6).