Linear Functions and Applications
Which of the following statements are true? Check all that apply.
Slope can be found by calculating a ratio using
x
2
−
x
1
y
2
−
y
1
\displaystyle \frac{{{x}_{{2}}-{x}_{{1}}}}{{{y}_{{2}}-{y}_{{1}}}}
y
2
−
y
1
x
2
−
x
1
.
If
m
>
0
\displaystyle {m}>{0}
m
>
0
, the graph INCREASES from left to right.
If
m
=
0
\displaystyle {m}={0}
m
=
0
, then
f
(
x
)
\displaystyle {f{{\left({x}\right)}}}
f
(
x
)
is a vertical function.
Linear functions are represented as
f
(
x
)
=
m
x
+
b
\displaystyle {f{{\left({x}\right)}}}={m}{x}+{b}
f
(
x
)
=
m
x
+
b
.
f
(
x
)
\displaystyle {f{{\left({x}\right)}}}
f
(
x
)
represents the Output quantity,.
If
m
<
0
\displaystyle {m}<{0}
m
<
0
, the graph INCREASES from left to right.
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