Mcdonald O'Quinn

11/29/2023 · Escuela primaria

In the following exercises, use slopes and \( y \)-intercepts to determine if the lines are parallel. \( \begin{array}{lll}\text { 344. } y=\frac{3}{4} x-3 ; 3 x-4 y=-2 & \text { 345. } y=\frac{2}{3} x-1 ; 2 x-3 y=-2 & \text { 346. } 2 x-5 y=-3 ; y=\frac{2}{5} x+1 \\ \begin{array}{lll}\text { 347. } 3 x-4 y=-2 ; y=\frac{3}{4} x-3 & \text { 348. } 2 x-4 y=6 ; x-2 y=3 & \text { 349. } 6 x-3 y=9 ; 2 x-y=3 \\ \text { 350. } 4 x+2 y=6 ; 6 x+3 y=3 & \text { 351. } 8 x+6 y=6 ; 12 x+9 y=12 & \text { 352. } x=5 ; x=-6 \\ \text { 353. } x=7 ; x=-8 & \text { 354. } x=-4 ; x=-1 & \text { 355. } x=-3 ; x=-2 \\ \text { 356. } y=2 ; y=6 & \text { 357. } y=5 ; y=1 & \text { 358. } y=-4 ; y=3 \\ \text { 359. } y=-1 ; y=2 & \text { 360. } x-y=2 ; 2 x-2 y=4 & \text { 361. } 4 x+4 y=8 ; x+y=2 \\ \text { 362. } x-3 y=6 ; 2 x-6 y=12 & \text { 363. } 5 x-2 y=11 ; 5 x-y=7 & \text { 364. } 3 x-6 y=12 ; 6 x-3 y=3 \\ \text { 365. } 4 x-8 y=16 ; x-2 y=4 & \text { 366. } 9 x-3 y=6 ; 3 x-y=2 & \text { 367. } x-5 y=10 ; 5 x-y=-10 \\ \text { 368. } 7 x-4 y=8 ; 4 x+7 y=14 & \text { 369. } 9 x-5 y=4 ; 5 x+9 y=-1\end{array}\end{array} \)