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Tangent line via secant lines
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Show tangent line to the curve at x=a
Show tangent line to the curve at x=a
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6
Specify a second value of x
Specify a second value of x
10
Expression 11: "s" equals 9
s
=
9
negative 10
−
1
0
10
1
0
11
Show secant line joining the points where x=a and x=s
Show secant line joining the points where x=a and x=s
Hide this folder from students.
12
Expression 19:
19
Expression 20:
20
21
powered by
powered by
( "a" , "f" ( "a" ) )
(
a
,
f
(
a
)
)
Slope = 0.5
( "s" , "f" ( "s" ) )
(
s
,
f
(
s
)
)
slope=0.25
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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