[1 Mark Question Answer]

Question 11 Mark

A point P is reflected in the origin. Co-ordinates of its image are (-2, 7). Find the co-ordinates of the image of P under reflection in the x-axis.

Answer

Co-ordinates of the image of P under reflection in the x-axis (2, 7).

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Question 21 Mark

$A$ point $P$ is reflected in the origin. Co-ordinates of its image are $(-2, 7)$.Find the co-ordinates of $P$.

Answer

Since, $M_O (2, -7) = (-2, 7)$ So, the co-ordinates of $P$ are $(2, -7)$.

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Question 31 Mark

A point P is reflected in the x-axis. Co-ordinates of its image are (-4, 5). Find the co-ordinates of the image of P under reflection in the y-axis.

Answer

Co-ordinates of the image of P under reflection in the y-axis (4, -5).

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Question 41 Mark

$A$ point $P$ is reflected in the x-axis. Co-ordinates of its image are $(-4, 5)$. Find the co-ordinates of $P$.

Answer

(i) Since, $M_x (-4, -5) = (-4, 5)$ So, the co-ordinates of $P$ are $(-4, -5)$.

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Question 51 Mark

State the co-ordinates of the following points under reflection in x-axis:

(0, 0)

Answer

(0, 0) The co-ordinate of the given point under reflection in the x-axis is (0, 0).

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Question 61 Mark

State the co-ordinates of the following points under reflection in x-axis:

(-5, 4)

Answer

(-5, 4) The co-ordinate of the given point under reflection in the x-axis is (-5, -4).

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Question 71 Mark

State the co-ordinates of the following points under reflection in x-axis:

(3, 2)

Answer

(3, 2) The co-ordinate of the given point under reflection in the x-axis is (3, -2).

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Question 81 Mark

A point P is its own image under the reflection in a line l. Describe the position of point the P with respect to the line l.

Answer

Since, the point P is its own image under the reflection in the line l. So, point P is an invariant point. Hence, the position of point P remains unaltered.

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Mathematics [1 Mark Question Answer]

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