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Calculator; Numerical Solve
Test Description: Students practice solving equations using the feature Numerical Solve on the TI-nSpire CX.
Instructions: Answer all questions to get your test result.
1) 13.1 - x = 2x - 4.9
A
x = 31.05
B
x = 9
C
x = 6
D
y = 6
2) 3x - 292.2 = 752.4
A
x = 348.2
B
x = 348
C
x = 346.67
D
x = 346
3) 2x + 3491 = 100671 - 2x
A
x = 92115
B
x= 38622
C
x=273342
D
x = 24295
4) 3(.25x + 1.07) = 3.21159
A
x = 0.00212
B
x = 0.0212
C
x = 0.212
D
x = 0.000212
5) .5x - 8 = -.25x + 8.5
A
x = 0
B
x = 22
C
x = 17
D
x = 28.7
6) 2.7x + 1 = -5.3x -3.8
A
x = 0
B
x = 2.16
C
x = -0.6
D
x = -6
7) 8(x - 157.5) = 3376
A
389.28
B
579.5
C
580
D
422
8) 1/3(x-231) = -72
A
15
B
m
C
too few arguements
D
230.995
9) 2.78x = -6.22(x + 1)
A
x = -0.7
B
x = -0.6911
C
x = -6.22
D
x = -6
10) 5x = .0222
A
444
B
x = 0.00444
C
0.444
D
0.0444
*select an answer for all questions
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