Sovi.AI - AI Math Tutor

Scan to solve math questions

QUESTION IMAGE

use the coordinates plotted below. select all the true statements a. po…

Question

use the coordinates plotted below.
select all the true statements
a. point g is a translation of point f 6 units up.
b. point f is a reflection of point d across the y - axis.
c. point g is a rotation of point d 180° clockwise around k.
d. point g is a rotation of point d 180° counterclockwise around k.
e. cannot be determined

Explanation:

Step1: Find coordinates

Find the coordinates of each point. Assume \(K=(0,0)\), \(F = (-2,3)\), \(G=(-2,-3)\), \(D=(2,3)\).

Step2: Check option A

For translation, if we translate \(F(-2,3)\) \(6\) units up, the new \(y -\)coordinate is \(3 + 6=9\), not \(-3\). So A is false.

Step3: Check option B

For reflection across \(y -\)axis, the rule is \((x,y)\to(-x,y)\). For \(D(2,3)\), reflection across \(y -\)axis is \((-2,3)\) which is \(F\). So B is true.

Step4: Check option C and D

For a \(180^{\circ}\) rotation (clockwise or counter - clockwise) around the origin \((0,0)\) (point \(K\)), the rule is \((x,y)\to(-x,-y)\). For \(D(2,3)\), \(180^{\circ}\) rotation gives \((-2,-3)\) which is \(G\). So C and D are true.

Answer:

B. Point \(F\) is a reflection of point \(D\) across the \(y -\)axis; C. Point \(G\) is a rotation of point \(D\) \(180^{\circ}\) clockwise around \(K\); D. Point \(G\) is a rotation of point \(D\) \(180^{\circ}\) counterclockwise around \(K\)