
Quiz Matematika SMA Matriks

Quiz
•
Mathematics
•
11th Grade
•
Hard
Yunia Pratiwi
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a
b
c
d
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika $A=\begin{bmatrix} 4&3\ 2&5 \end{bmatrix}$ dan $A^{2}-xA+yI=\begin{bmatrix} 0 &0 \ 0& 0 \end{bmatrix}$ maka $x+y=...$
14
19
9
23
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui matriks $A=\begin{pmatrix} 3 & 0\ 2 & 0 \end{pmatrix}$; $B=\begin{pmatrix} 2 & 1\ 3 & 2 \end{pmatrix}$; dan $A+B=C$. Invers matriks $C$ adalah...
$\begin{pmatrix} \frac{2}{5} & -\frac{1}{5} \ -1 & 1 \end{pmatrix}$
$\begin{pmatrix} 1 & -\frac{1}{5} \ -1 & \frac{2}{5} \end{pmatrix}$
$\begin{pmatrix} \frac{2}{5} & \frac{1}{5} \ 1 & \frac{2}{5} \end{pmatrix}$
$\begin{pmatrix} 1 & \frac{1}{5} \ -1 & \frac{2}{5} \end{pmatrix}$
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Jika $A=\begin{pmatrix} 1 & 3\ 2 & 4 \end{pmatrix}$; $B=\begin{pmatrix} -3 & a\ b & -2 \end{pmatrix}$; $C=\begin{pmatrix} 1 & -3\ 4 & 2 \end{pmatrix}$; dan $D=\begin{pmatrix} -1 & 2\ -2 & 1 \end{pmatrix}$. Jika $A^{T}$ adalah transpose matriks $A$, nilai $2a+\frac{1}{2}b$ yang memenuhi persamaan $2A^{T}-B=CD$ adalah...
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui matriks $A=\begin{pmatrix} 2 & 1\ 4 & -1 \end{pmatrix}$ dan $B=\begin{pmatrix} 4 & -1\ 1 & 1 \end{pmatrix}$. Jika $C=AB$, invers matriks $C$ adalah...
$\begin{pmatrix} \frac{1}{6} & -\frac{1}{30} \ \frac{1}{2} & -\frac{3}{10} \end{pmatrix}$
$\begin{pmatrix} -\frac{1}{6} & \frac{1}{2} \ -\frac{1}{30} & -\frac{3}{10} \end{pmatrix}$
$\begin{pmatrix} \frac{1}{6} & -\frac{1}{2} \ -\frac{1}{30} & -\frac{3}{10} \end{pmatrix}$
$\begin{pmatrix} \frac{1}{6} & -\frac{1}{30} \ -\frac{1}{2} & \frac{3}{10} \end{pmatrix}$
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika $A=\begin{pmatrix} a & 1\ b & 2 \end{pmatrix}$, $B=\begin{pmatrix} a & 1\ 1 & 0 \end{pmatrix}$ dan $AB=\begin{pmatrix} 10 & a\ 14 & b \end{pmatrix}$. maka nilai $ab$ adalah...
9
10
14
12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui $P=\begin{pmatrix} 2 & 1\ 3 & 3 \end{pmatrix}$, $Q=\begin{pmatrix} -1 & -2\ 1 & 0 \end{pmatrix}$, dan determinan dari matriks $PQ$ adalah $k$. Jika garis $2x-y=4$ dan $3x-2y=5$ berpotongan di $A$, maka persamaan garis yang melalui $A$.
$x-y+1=0$
$x-y+7=0$
$x+y-1=0
$x+y-7=0$
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