Algebra 1 Companion Book, Vol 1 – Summer Edition

5.2 Review Worksheet (continued)

40. Show that LMNP is a parallelogram.

y

M (0, 4)

4

2

L (–3, 0)

N (3, 0)

x

0

–4 –2

2

4

–2

–4

P (0, –4)

Identify which lines are perpendicular. 41. y = 6 x ; y = x ; y = − x ; y = − 6 x

1 6

1 6

42. y − 9 = 3( x + l); y = − 1 3

x + 5; y = 0; x = 6

43. x − 6 y = 15; y = 3 x − 2; y = − 3 x − 3; y = − 6 x − 8; 3 y = − x − 11

307

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