Victory for the ACT Student Text 15e

388 • C AMBRIDGE P RACTICE T EST R EINFORCEMENT

 –Š‡ ϐ‹‰—”‡ „‡Ž‘™ǡ D is a point on BC —‹–• Ž‘‰ǡ AB 10 —‹–• Ž‘‰ǡ Š‘™ ƒ› —‹–• Ž‘‰ ‹• EC ? Ǥ Ͷ Ǥ ͸ Ǥ ͺ Ǥ ͳͲ Ǥ ͳʹ such that DE AC <

is a point on AB —‹–• Ž‘‰ǡ ƒ† BC 20 and E Ǥ ˆ DB

Ͷ

41.

DO YOUR FIGURING HERE.

) ( 2 4 4 2 + − − + − = ? Ǥ Ͳ Ǥ x x 2 4 16 2 + − Ǥ x Ͷ Ǥ x Ͷ Ǥ x 4 16 ) ( ) ( ) x x x x

42.

(

43. ˆ –Š‡ •— ‘ˆ –Š‡ ‡ƒ•—”‡• ‘ˆ –Š‡ ‹–‡”‹‘” ƒ‰Ž‡• ‘ˆ ƒ ’‘Ž›‰‘ ‡“—ƒŽ• –Š‡ •— ‘ˆ –Š‡ ‡ƒ•—”‡• ‘ˆ –Š‡ ‡š–‡”‹‘” ƒ‰Ž‡•ǡ Š‘™ ƒ› •‹†‡• †‘‡• –Š‡ ’‘Ž›‰‘ Šƒ˜‡ǫ Ǥ Š”‡‡ Ǥ ‘—” Ǥ ‹˜‡ Ǥ ‹š Ǥ ‡˜‡ 44. ˆ –Š‡ ’‡”‹‡–‡” ‘ˆ ƒ ‡“—‹Žƒ–‡”ƒŽ –”‹ƒ‰Ž‡ ‹• ͳʹ ‹…Š‡•ǡ ™Šƒ– ‹• ‹–• ƒ”‡ƒǡ ‹ •“—ƒ”‡ ‹…Š‡•ǫ Ǥ 2 3 Ǥ 4 3

Ǥ ͺ Ǥ 6 3 Ǥ 36 3

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