Julia plays volleyball and finished the regular season with 25 digs. The graph relates her total number of digs for the season t o the number of games played in the post-season tournament.
What is the equation in standard form that represents the relationship shown in the graph?
A. y = 3x + 25
B. 3x + y = 25
C. y = -3x + 25
D. -3x + y = 25
E. y - 37 = 3(x - 4)
2 answers:
Answer:
<u>Standard form</u>: -3x + y = 25
Step-by-step explanation:
y=mx+b
y = 3x + 25 ... you want to convert to standard form (Ax+By=C )
-3x -3x ... you want the variables on the left side of the equation
-3x + y = 25
We need to find an equation in the form
.
To find
, we use the formula:
We'll use the points
and
:
The value of
(the y-intercept) is the value of
when
, which is 25.
So the equation is
(choice A).
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