9000108806 Časť: BDoplňte súradnicu \(y\) tak, aby boli vektory \(\vec{u} = (-6;y;3)\) a \(\vec{v} = (12;4;4)\) navzájom kolmé.\(15\)\(12\)\(\sqrt{5}\)\(\frac{5} {3}\)
9000108807 Časť: BZistite odchýlku ťažnice \(t_{c}\) a strany \(c\) trojuholníka \(ABC\), ak \(A = [1;2]\), \(B = [7;-2]\), \(C = [6;1]\). Zaokrúhlite na celé stupne.\(60^{\circ }\)\(50^{\circ }\)\(43^{\circ }\)\(71^{\circ }\)
9000108808 Časť: BZistite odchýlku výšky \(v_{c}\) a strany \(b\) trojuholníka \(ABC\), ak \(A = [1;2]\), \(B = [7;-2]\), \(C = [6;1]\). Zaokrúhlite na celé stupne.\(68^{\circ }\)\(75^{\circ }\)\(44^{\circ }\)\(61^{\circ }\)
9000108706 Časť: BNájdite všetky vektory rovnobežné s vektorom \(\vec{u} = (3;-1)\), ktoré majú veľkosť \(1\).\(\left (\frac{3\sqrt{10}} {10} ;-\frac{\sqrt{10}} {10} \right )\), \(\left (-\frac{3\sqrt{10}} {10} ; \frac{\sqrt{10}} {10} \right )\)\((0;-1)\), \((0;1)\)\((-3;1)\), \((3;-1)\)\(\left (\frac{3} {4};-\frac{1} {4}\right )\), \(\left (-\frac{3} {4}; \frac{1} {4}\right )\)
9000108708 Časť: CUrčte objem rovnobežnostena \(ABCDEFGH\), ak \(A = [1;0;0]\), \(B = [2;0;0]\), \(D = [3;-2;0]\), \(E = [2;1;5]\).\(10\)\(12\)\(15\)\(20\)
9000108704 Časť: BSú dané vektory \(\vec{u} = (1;0;-1)\) a \(\vec{v} = (2;-1;1)\). Nájdite všetky vektory \(\vec{w}\), pre ktoré platí \(\vec{w} \perp \vec{ u}\), \(\vec{w} \perp \vec{ v}\) a \(\left |\vec{w}\right | = 2\).\(\vec{w} = \left (\frac{2\sqrt{11}} {11} ; \frac{6\sqrt{11}} {11} ; \frac{2\sqrt{11}} {11} \right )\), \(\vec{w} = \left (-\frac{2\sqrt{11}} {11} ;-\frac{6\sqrt{11}} {11} ;-\frac{2\sqrt{11}} {11} \right )\)\(\vec{w} = (-1;-3;-1)\), \(\vec{w} = (1;3;1)\)\(\vec{w} = \left (-\frac{1} {2};-\frac{3} {2};-\frac{1} {2}\right )\), \(\vec{w} = \left (\frac{1} {2}; \frac{3} {2}; \frac{1} {2}\right )\)\(\vec{w} = \left (\frac{2\sqrt{2}} {3} ; \frac{3\sqrt{2}} {2} ; \frac{2\sqrt{2}} {3} \right )\), \(\vec{w} = \left (-\frac{2\sqrt{2}} {3} ;-\frac{3\sqrt{2}} {2} ;-\frac{2\sqrt{2}} {3} \right )\)
9000108702 Časť: BŠtvorec má jeden vrchol \([- 1; 2] \) a priesečník uhlopriečok \( [1; 4] \). Určte súradnice zvyšných vrcholov.\([3;6]\), \([-1;6]\), \([3;2]\)\([3;6]\), \([-1;5]\), \([3;1]\)\([3;6]\), \([-2;6]\), \([4;2]\)\([3;6]\), \([-1;5]\), \([3;2]\)
9000108701 Časť: BNájdite všetky vektory, ktoré majú veľkosť \(1\) a sú kolmé k vektoru \(\vec{u} = (3;4)\).\(\left (\frac{4} {5};-\frac{3} {5}\right )\), \(\left (-\frac{4} {5}; \frac{3} {5}\right )\)\(\left (\frac{4} {7};-\frac{3} {7}\right )\), \(\left (-\frac{4} {7}; \frac{3} {7}\right )\)\(\left ( \frac{1} {\sqrt{10}};- \frac{3} {\sqrt{10}}\right )\), \(\left (- \frac{1} {\sqrt{10}}; \frac{3} {\sqrt{10}}\right )\)\(\left (\frac{4} {5}; \frac{3} {5}\right )\), \(\left (-\frac{4} {5};-\frac{3} {5}\right )\)
9000108804 Časť: BUrčite body, ktoré vzniknú rotáciou bodu $ A = [3; 2] $ okolo bodu $ B = [1; 1] $ o $ 60^{\circ} $. Uvažujte rotáciu v kladnom i zápornom zmysle.\(\left [2\pm \frac{\sqrt{3}} {2} ; \frac{3} {2} \mp \sqrt{3}\right ]\)\(\left [1\pm \frac{\sqrt{3}} {2} ; \frac{1} {2} \mp \sqrt{3}\right ]\)\(\left [2\pm \frac{\sqrt{2}} {2} ; \frac{3} {2} \mp \sqrt{2}\right ]\)\(\left [1\pm \frac{\sqrt{2}} {2} ; \frac{1} {2} \mp \sqrt{2}\right ]\)
9000108703 Časť: BSú dané body \(A = [1;3]\), \(C = [4;3]\), \(B = [x;2]\). Určte súradnicu \(x\) tak, aby bol vektor \(AB\) kolmý k vektoru \(AC\).\(1\)\(2\)\(- 1\)\(0\)