Expression 11: "x" squared minus 12 "x" minus 4320 equals 0x2−12x−4320=0
11
Expression 12: "x" Subscript, 1 , Baseline equals StartFraction, negative left parenthesis, negative 12 , right parenthesis plus StartRoot, left parenthesis, negative 12 , right parenthesis squared minus 4 left parenthesis, 1 minus 4320 , right parenthesis , EndRoot Over 2 , EndFractionx1=−−12+−122−41−43202
equals=
71.9 9 2 4 2 3 8 0 7 671.9924238076
12
Expression 13: "x" Subscript, 2 , Baseline equals StartFraction, negative left parenthesis, negative 12 , right parenthesis minus StartRoot, left parenthesis, negative 12 , right parenthesis squared minus 4 left parenthesis, 1 minus 4320 , right parenthesis , EndRoot Over 2 , EndFractionx2=−−12−−122−41−43202
equals=
negative 59.9 9 2 4 2 3 8 0 7 6−59.9924238076
13
Bilen kørte 72 kilometer i timen.
14
Grafer og punkter
Hide this folder from students.
15
Expression 16: "y" equals StartAbsoluteValue, 120 , EndAbsoluteValue left brace, "x" greater than 0 , right bracey=120x>0
16
Expression 17: "y" equals StartFraction, "x" Subscript, 1 , Baseline Over 60 , EndFraction "x" left brace, "x" greater than 0 , right bracey=x160xx>0
17
Expression 18: "y" equals StartFraction, "x" Subscript, 1 , Baseline minus 12 Over 60 , EndFraction "x" left brace, "x" greater than 0 , right bracey=x1−1260xx>0
18
Label: left parenthesis, 60 , "x" Subscript, 1 , Baseline , right parenthesis60,x1
Label:
equals=
left parenthesis, 60 , 71.9 9 2 4 2 3 8 , right parenthesis60,71.9924238
19
Label: left parenthesis, 60 , "x" Subscript, 1 , Baseline minus 12 , right parenthesis60,x1−12
Label:
equals=
left parenthesis, 60 , 59.9 9 2 4 2 3 8 , right parenthesis60,59.9924238
20
Label: left parenthesis, StartFraction, 60 times 120 Over "x" Subscript, 1 , Baseline , EndFraction , 120 , right parenthesis60·120x1,120
Label:
equals=
left parenthesis, 100.0 1 0 5 2 4 , 120 , right parenthesis100.010524,120
21
Label: left parenthesis, StartFraction, 60 times 120 Over "x" Subscript, 1 , Baseline minus 12 , EndFraction , 120 , right parenthesis60·120x1−12,120
Label:
equals=
left parenthesis, 120.0 1 5 1 5 4 , 120 , right parenthesis120.015154,120
22
23
powered by
powered by
left parenthesis, 60 , 71.9 9 2 4 2 , right parenthesis60,71.99242
left parenthesis, 60 , 59.9 9 2 4 2 , right parenthesis60,59.99242
left parenthesis, 100.0 1 0 5 2 , 120 , right parenthesis100.01052,120
left parenthesis, 120.0 1 5 1 5 , 120 , right parenthesis120.01515,120