Doc3 - UFMG · Microsoft Word - Doc3.doc Author: dsg Created Date: 7/21/2006 18:42:9 ...
Doc3
3
Press MODE 3 times Press 1 [EQN] Right click on REPLAY button and press 2 [Degree] On screen, ? a Press 1= ? b Press 6= ? c Press 8= The solutions are 2 1 x Press = 4 2 x 4 , 2 0 4 2 0 2 x x x x c bx ax 0 8 6 8 6 2 2 x x x x 0 2 x 0 4 x Rewrite the quadratic equation in general form. Identify the values of a, b, and c. Write two linear expressions. The values from calculator. 0 2 c bx ax
Transcript of Doc3
Press MODE 3 times Press 1 [EQN] Right click on REPLAY button and press 2 [Degree] On screen,
?a Press 1=
?b Press 6=
?c Press 8=
The solutions are
21 x
Press =
42 x
4,2
042
02
xx
xx
cbxax
02 cbxax
086
86
2
2
xx
xx
02 x 04 x
Rewrite the quadratic equation in general form.
Identify the values of a, b, and c.
Write two linear expressions.
The values from calculator.
02 cbxax
Example 2
Rewrite the quadratic equation in general form.
Press MODE 3 times Press 1 [EQN] Right click on REPLAY button and press 2 [Degree] On screen,
?a Press 5=
?b Press −1=
?c Press −4=
The solutions are
11 x
Press =
5
42 x
5
4,1
0451
02
xx
xx
cbxax
02 cbxax
045
4453
41
53
2
2
2
xx
xxx
x
xx
01x
045
45
x
x
Identify the values of a, b, and c.
Write two linear expressions.
The values from calculator.
Example 3
0252
2722
2712
2
2
2
xx
xxx
xxx
2
1,2
0122
02
xx
xx
cbxax
Rewrite the quadratic equation in general form.
Identify the values of a, b, and c.
Write two linear expressions.
The values from calculator.
02 x
012
12
x
x
Press MODE 3 times Press 1 [EQN] Right click on REPLAY button and press 2 [Degree] On screen,
?a Press 2=
?b Press −5=
?c Press 2=
The solutions are
21 x
Press =
2
12 x
02 cbxax
