Question

17. What are the solutions of the equation?

z² – 6z – 27 = 0 (1 point)
A) 3, 9
B) 3, –9
C) –3, 9
D) –3, –9

18. Tasha is planning an expansion of a square flower garden in a city park. If each side of the original garden is increased by 7 m, the new total area of the garden will be 144 m². Find the length of each side of the original garden. (1 point)
A) 19 m
B) 12 m
C) 5 m
D) √5 m

Answer 1

For the first one... the answer is B
-9 x 3 = -27
-9+3 = -6

Answer 2

the second answer is B

Answer 3

sqrt of 144 is 12 which is the side of the square after being increased by 7... so 12 - 7 = the old length of the side which is 5

Answer 4

does that help?

Answer 5

so for the second one...the answer is C?

Answer 6

yupp :D

Answer 7

thanks...can i message you a few more questions?

Answer 8

lol i'm actually getting off os... sorry booboo

Answer 9

oh ok :(

Answer 10

:( sowwy :(

Answer 11

its fine