Quiz Matematika SMA Matriks

Quiz Matematika SMA Matriks

11th Grade

15 Qs

quiz-placeholder

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Quiz Matematika SMA Matriks

Quiz Matematika SMA Matriks

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

Yunia Pratiwi

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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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