Solve the system of equations 2x-y=1; x+2y=8 graphically and find the coordinates of the points where corresponding lines intersect y-axis.
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. Diketahui matriks $2$ $A=\left(-3$ $-1\right)$ $5$ dan $B$ $=\left(-8$ $26$ $-7$ $-14^{\right)}$ Matriks $x$ yang memenuhi persamaan $AX=B$ adalah...
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Diketahui matriks $1$ $4^{\right):B}=\left(-3$ $a$ $b$ $-2^{\right):C}=\left(4$ $A-\left(1$ $3$ $2$ $-3\right):dan$ $2$ $D=\left(-1$ $2$ $1^{\right)}$ $-2$ Jika $A^{T}$ adalah transpose matriks A, nilai $2a+\dfrac {1} {2}b$ yang memenuhi $2ersamaar$ $2A^{T}$ $B-CD$ adalah.. $\left(A\right)3$ $\left(B\right)7$ $\left(C\right)$ $12$ $\left(D\right)$ 17 $\left(E\right)$ 31 $○$ A $○$ B $○$ $○$ E.
10th-13th grade
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$125$ cil nilai $\left(x\right)$ mendekati $11$ Nilai x yang memenuhi persamaan $2x-2=8\sqrt{2} $ adalah.... a. $1\dfrac {1} {2}$ b. $2\dfrac {1} {2}$ ah.... C. $3\dfrac {1} {2}$ d $4\dfrac {1} {2}$ e. $5\dfrac {1} {2}$ $2-2x$ adalah.... 12 Diketahui $2x-2-x=6.$ Nilai $2^{2x+2}$ a. 30 b. 32 C. 34 d. 36 e. 38 $13$ Jika $2\times 3^{2x+1}+32x+3=297$ nilai x yang memenuhi adalah.... a. -2 .... b. -1 C. d 1 e. 2 $14$ Diketahui a dan B penyelesaian $92x^{2}-6x-2=272x-4$ Hasil dari $a+8$ adalah.... $kanan$ E.... a. 216 9. b. /72 C. Fungsi d. di titik 12
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6. Diketahui Persamaan matriks $2$ $s\left(-1$ $4$ $6$ $3^{\right)-2C}=\left(-7$ $6$ $11^{\right)}$ Determinan matriks C adalah . - $7.$ Diketahui matriks $2$ $D=\left(4$ $-3\right)\left(-1$ $-1$ $-2$ $5$ $4^{\right)}$ Determinan matriks D adalah. 8. Diketahui matriks $4$ $E=\left(-5$ $0$ $-1$ $0$ $3$ $0\right)$ $-7$ Determinan Matriks E adalah . 9. Diketahui matriks $1$ $F=\left(-1$ $1$ $2$ $2$ $-2$ $-3$ $3\right)$ $3$ Determinan Matriks F adalah . $10.$ Diketahui $matrky$ $2$ $ks|-1$ $q$ $-1$ $3$ $3$ $4|=-5$ $-4$ Nilai q yang memenuhi adalah . -2
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