15. Titik (-9, 8) direfleksikan terhadap garis y = -x. Koordinat titik bayangannya adalah... 16. Jika titik Q(1, 5) dicerminkan terhadap garis x = 2 maka koordinat titik bayangannya adalah.. 17. Titik Q(7, -6) didilatasi terhadap titik pusat M (-2, 5) dengan faktor skala 2, maka bayangan titik Q adalah... 18. Titik P(8, 6) dirotasikan sejauh - 900 terhadap titik pusat O (0, 0) berlawanan arah jarum jam. Nilai P’ adalah... 19. Bayangan titik P(-4, 9) oleh refleksi terhadap garis y = x dilanjutkan dengan refleksi terhadap garis x = 3 adalah.. 20. Koordinat titik P (8, 2), Q (7, 4), dan R (2, 8) merupakan titik-titik sudut PQR. Koordinat bayangan ketiga titik tersebut oleh dilatasi [O, -3] berturut-turut adalah.. 21. Koordinat bayangan titik A(-3, 6) oleh translasi T = (1, 6) adalah.. 22. Bayangan dari titik A(-2, 5) yang dirotasikan sebesar -900 berlawanan arah jarum jam adalah.. 23. Bayangan dari titik A(-3, 9) yang direfleksikan terhadap garis x = -2 dilanjutkan terhadap garis y = 3 adalah... 24. Koordinat bayangan titik A(8, -2) pada translasi (2, -3) adalah.. 25. Koordinat titik K(5, -4) dicerminkan terhadap garis y = x, maka koordinat dari bayangan yang terbentuk adalah.. Bisaa jelaskan inii?? Aku binggung sekalii

<p>15. <strong>(-8, 9)</strong></p><p>16. &nbsp;Q' (2a - x , y)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; Q' &nbsp;(2.2 - 1 , 5)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; Q' (4 - 1, 5)</p><p>&nbsp; &nbsp; &nbsp;&nbsp;<strong> &nbsp;Q' (3, 5)</strong></p><p>17. k = 2</p><p>&nbsp; &nbsp; &nbsp; &nbsp; Q(7, -6) &nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;titik pusat (-2 , 5)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;rumus &nbsp;=&gt; Q' &nbsp;[k (x-a)+a , k (y-b)+b]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Q' [2 (7- (-2))+(-2) , 2(-6-5)+5]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Q' [2 (9) - 2 , 2 (-11) +5]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Q' [ 18 - 2 , -22 + 5]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<strong>Q' [16, 17]</strong></p><p>18. <strong>P' (-6, 8)</strong></p><p>19. P(-4, 9) dicerminkan terhadap garis x=a adalah P'(2a-x, y)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; P(-4, 9) &nbsp;-----&gt; &nbsp;P'(2.3 - 9 , -4)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;P' (6-9, -4)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<strong>P' (-3, -4)</strong></p><p>20. &nbsp; k= -3</p><ul><li>&nbsp;P(8,2) &nbsp;----&gt; &nbsp;P' (kx, ky)</li></ul><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; P' (-3.8 , -3.2)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<strong>P' (-24 , -6)</strong></p><ul><li>Q(7,4)----&gt; &nbsp;Q' (kx, ky)</li></ul><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Q' (-3.7 , -3.4)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<strong>Q' (-21 , -12)</strong></p><ul><li>R(2,8)----&gt; &nbsp;R' (kx, ky)</li></ul><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; R' (-3.2 , -3.8)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<strong> R' (-6 , -24)&nbsp;</strong></p><p>21. A(-3, 6) ----&gt; A' (x+a, y+b)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;A' (-3 + 1, 6+6)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<strong>A' (-2, 12)</strong></p><p>22. <strong>A'(-5, -2)</strong></p><p>23. P (x,y) dicerminkan terhadap titik (a,b)&nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp;P (x,y) ----&gt; &nbsp; P' (2a - x, 2b - y)</p><p>&nbsp; &nbsp; &nbsp; &nbsp;P (-3,9) ------&gt; P' (2(-2) - (-3) , 2.3 -9)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; P' (-4 + 3 , 6 - 9)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<strong> P' (-1, -3)</strong></p><p>24. &nbsp;P(8, -2) ----&gt; P' (x+a, y+b)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;P' (8+2 , -2 + (-3)) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;P<strong>' (10, -5)</strong></p><p>25. &nbsp;<strong>K' (-4, 5)</strong></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</p>