Mathematics
Grade9
Easy

Question

Simplify the product.
4 open square brackets table row 2 1 cell negative 10 end cell row 3 cell negative 4 end cell 7 end table close square brackets

  1. open square brackets table row 8 14 cell negative 40 end cell row 12 cell negative 16 end cell 28 end table close square brackets
  2. open square brackets table row 8 4 40 row 12 cell negative 16 end cell 28 end table close square brackets
  3. open square brackets table row 8 4 cell negative 40 end cell row 12 16 28 end table close square brackets
  4. open square brackets table row 8 4 cell negative 40 end cell row 12 cell negative 16 end cell 28 end table close square brackets

hintHint:

The multiplication rule of matrices is applicable here. Multiply the digit outside the matrix with all the number inside the matrix.

The correct answer is: open square brackets table row 8 4 cell negative 40 end cell row 12 cell negative 16 end cell 28 end table close square brackets



    4 open square brackets table row 2 1 cell negative 10 end cell row 3 cell negative 4 end cell 7 end table close square brackets equals open square brackets table row cell 4 open parentheses 2 close parentheses end cell cell 4 open parentheses 1 close parentheses end cell cell 4 open parentheses negative 10 close parentheses end cell row cell 4 open parentheses 3 close parentheses end cell cell 4 open parentheses negative 4 close parentheses end cell cell 4 open parentheses 7 close parentheses end cell end table close square brackets space equals space open square brackets table row 8 4 cell negative 40 end cell row 12 cell negative 16 end cell 28 end table close square brackets

    Related Questions to study

    Grade9
    Mathematics

    Find the scale factor.

    Find the scale factor.

    MathematicsGrade9
    Grade9
    Mathematics

    Determine whether the dilation from Figure A to Figure B is a reduction or an enlargement.

    If the scale factor is more than 1, then the image stretches.
    If the scale factor is between 0 and 1, then the image shrinks.
    If the scale factor is 1, then the original image and the image produced are congruent.

    Determine whether the dilation from Figure A to Figure B is a reduction or an enlargement.

    MathematicsGrade9

    If the scale factor is more than 1, then the image stretches.
    If the scale factor is between 0 and 1, then the image shrinks.
    If the scale factor is 1, then the original image and the image produced are congruent.

    Grade9
    Mathematics

    Find the scale factor, given stack A B with bar on top space = 15m and  stack A apostrophe B apostrophe with bar on top space equals 10 m.

    Find the scale factor, given stack A B with bar on top space = 15m and  stack A apostrophe B apostrophe with bar on top space equals 10 m.

    MathematicsGrade9
    parallel
    Grade9
    Mathematics

    Find the scale factor, given stack C D with bar on top space = 5m and  stack C apostrophe D apostrophe with bar on top space equals 10 m.

    Find the scale factor, given stack C D with bar on top space = 5m and  stack C apostrophe D apostrophe with bar on top space equals 10 m.

    MathematicsGrade9
    Grade9
    Mathematics

    Find the coordinates of image of line AB with vertices A(2, 1), B(4, 1). Use a scale factor of 2 in dilation.

    Find the coordinates of image of line AB with vertices A(2, 1), B(4, 1). Use a scale factor of 2 in dilation.

    MathematicsGrade9
    Grade9
    Mathematics

    Given the scale factor is 2.5, state the dilation.

    If the scale factor is more than 1, then the image stretches.
    If the scale factor is between 0 and 1, then the image shrinks.
    If the scale factor is 1, then the original image and the image produced are congruent

    Given the scale factor is 2.5, state the dilation.

    MathematicsGrade9

    If the scale factor is more than 1, then the image stretches.
    If the scale factor is between 0 and 1, then the image shrinks.
    If the scale factor is 1, then the original image and the image produced are congruent

    parallel
    Grade9
    Mathematics

    Given the scale factor is 0.5, state the dilation.

    If the scale factor is more than 1, then the image stretches.
    If the scale factor is between 0 and 1, then the image shrinks.
    If the scale factor is 1, then the original image and the image produced are congruent

    Given the scale factor is 0.5, state the dilation.

    MathematicsGrade9

    If the scale factor is more than 1, then the image stretches.
    If the scale factor is between 0 and 1, then the image shrinks.
    If the scale factor is 1, then the original image and the image produced are congruent

    Grade9
    Mathematics

    If k > 1, then the reduction is a _____________.

    If the scale factor is more than 1, then the image stretches.
    If the scale factor is between 0 and 1, then the image shrinks.
    If the scale factor is 1, then the original image and the image produced are congruent

    If k > 1, then the reduction is a _____________.

    MathematicsGrade9

    If the scale factor is more than 1, then the image stretches.
    If the scale factor is between 0 and 1, then the image shrinks.
    If the scale factor is 1, then the original image and the image produced are congruent

    Grade9
    Mathematics

    If 0 < k < 1, then the dilation is a ____________.

    If the scale factor is more than 1, then the image stretches.
    If the scale factor is between 0 and 1, then the image shrinks.
    If the scale factor is 1, then the original image and the image produced are congruent

    If 0 < k < 1, then the dilation is a ____________.

    MathematicsGrade9

    If the scale factor is more than 1, then the image stretches.
    If the scale factor is between 0 and 1, then the image shrinks.
    If the scale factor is 1, then the original image and the image produced are congruent

    parallel
    Grade9
    Mathematics

    The ___________of a dilation is the ratio of a side length of the image to the corresponding side length of the original figure.

    A scale factor in math is the ratio between corresponding measurements of an object and a representation of that object.

    The ___________of a dilation is the ratio of a side length of the image to the corresponding side length of the original figure.

    MathematicsGrade9

    A scale factor in math is the ratio between corresponding measurements of an object and a representation of that object.

    Grade9
    Mathematics

    In a dilation, a figure is enlarged or reduced with respect to a fixed point called the _________ of dilation.

    This type of translation expands or contracts the object by keeping its orientation or shape the same. This is also known as resizing

    In a dilation, a figure is enlarged or reduced with respect to a fixed point called the _________ of dilation.

    MathematicsGrade9

    This type of translation expands or contracts the object by keeping its orientation or shape the same. This is also known as resizing

    Grade9
    Mathematics

    The vertices of increment ABC are A(2, 4), B(6, 0), and C(7, 2). Find coordinates of the image of  after the composition of the transformations in the order they are listed.
    Translation: (x, y) → (x, y - 5)
    Reflection: in the y-axis

    The vertices of increment ABC are A(2, 4), B(6, 0), and C(7, 2). Find coordinates of the image of  after the composition of the transformations in the order they are listed.
    Translation: (x, y) → (x, y - 5)
    Reflection: in the y-axis

    MathematicsGrade9
    parallel
    Grade9
    Mathematics

    When a point (2, -4) is rotated counter-clockwise about the origin. Find the coordinate after the rotation of 90 rotation.

    When a point (2, -4) is rotated counter-clockwise about the origin. Find the coordinate after the rotation of 90 rotation.

    MathematicsGrade9
    Grade9
    Mathematics

    When two or more transformations are combined to form a single transformation, it is called___________

    When two or more transformations are combined to form a single transformation, it is called___________

    MathematicsGrade9
    Grade9
    Mathematics

    A translation followed by a reflection can be performed one after the other is called ______

    A translation followed by a reflection can be performed one after the other is called ______

    MathematicsGrade9
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.