Expression 8: "x" squared minus 2 "x" minus 15 equals 0x2−2x−15=0
8
Expression 9: "x" Subscript, 1 , Baseline equals 2 halves plus StartRoot, left parenthesis, 2 halves , right parenthesis squared plus 15 , EndRootx1=22+222+15
equals=
55
9
Expression 10: "P" Subscript, "e" "r" "i" "m" "e" "t" "e" "r" , Baseline equals "x" Subscript, 1 , Baseline plus "x" Subscript, 1 , Baseline plus 7 plus "x" Subscript, 1 , Baseline plus 8Perimeter=x1+x1+7+x1+8
equals=
3030
10
Graphs
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11
Expression 12: "y" equals "x" squared minus 2 "x" plus 49 minus 64y=x2−2x+49−64
12
Expression 13: polygon left parenthesis, "x" Subscript, 2 , Baseline , "y" Subscript, 2 , Baseline , right parenthesispolygonx2,y2
13
"x" Subscript, 2 , Baselinex2
"y" Subscript, 2 , Baseliney2
00
00
r1c3:
00
"x" Subscript, 1 , Baseline plus 7x1+7
r2c3:
"x" Subscript, 1 , Baselinex1
00
r3c3:
00
00
r4c3:
r5c3:
14
Point
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15
17
powered by
powered by
left parenthesis, "x" Subscript, 1 , Baseline ; 0 , right parenthesisx1;0