# MATH / 

task_id: 148c437d-bc86-5c6b-b915-1b8a0e2210be
task_key: precalculus--test--148c437d-bc86-5c6b-b915-1b8a0e2210be
task_revision_id: 1

{"level":"Level 5","problem":"In triangle $ABC,$ $a = 8,$ $b = 7,$ and $c = 5.$  Let $H$ be the orthocenter.\n\n[asy]\nunitsize(0.6 cm);\n\npair A, B, C, D, E, F, H;\n\nB = (0,0);\nC = (8,0);\nA = intersectionpoint(arc(B,5,0,180),arc(C,7,0,180));\nH = orthocenter(A,B,C);\nD = (A + reflect(B,C)*(A))/2;\nE = (B + reflect(C,A)*(B))/2;\nF = (C + reflect(A,B)*(C))/2;\n\ndraw(A--B--C--cycle);\ndraw(A--D,dashed);\ndraw(B--E,dashed);\ndraw(C--F,dashed);\n\nlabel(\"$A$\", A, N);\nlabel(\"$B$\", B, SW);\nlabel(\"$C$\", C, SE);\nlabel(\"$H$\", H, SE, UnFill);\n\ndot(H);\n[/asy]\n\nThen\n\\[\\overrightarrow{H} = x \\overrightarrow{A} + y \\overrightarrow{B} + z \\overrightarrow{C},\\]where $x,$ $y,$ and $z$ are constants such that $x + y + z = 1.$  Enter the ordered triple $(x,y,z).$","type":"Precalculus"}

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