Trigonometry Unit Test 1 of 17Items
Assessment started: Trigonometry Unit Test.
Item 1
Given that ABC is a right triangle and CD¯¯¯¯¯¯¯¯ is perpendicular to AB¯¯¯¯¯¯¯¯, which proportions are true? Select the two correct answers.

A triangle A B C has a point D on side A B. The line segment C D is perpendicular to side A B. Angle A C B is labeled as a right angle.

(1 point)

ACBC=ADDB

BCAD=ABAC

BCDC=ABBC

ACAD=ABAC

BCDB=ABBC

Solve the equation by completing the square. x^2+2x=17

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

Determine the function’s value when x = -1 a. g(-1)=-3 b. g(-1)=0 c. g(-1)=1 d. g(-1)=27