Immediately omit the negative possible answer. Since 5^2 = 25, 1/5^2 = 1/25.
C^2-a^2=b^2 b^2=81-36=45 x^2/36-y^2/45=1?
Answer:
1/50
Step-by-step explanation:
Answer: Ck.12.org
Step-by-step explanation: Just read the book
Answer:
D
Step-by-step explanation:
Under a clockwise rotation about the origin of 90°
a point (x, y ) → (y, - x ) , thus
X(- 1, - 3 ) → X'(- 3, 1 )
Y(0, 0 ) → Y'(0, 0 )
Z(1, - 3 ) → Z'(- 3, - 1 )
