Rotate the triangle on the graph 90° counterclockwise about the origin. Determine the orientation of the triangle after the rota
tion and place it in the correct position.
2 answers:
Answer:
Hence, last option is true.
Step-by-step explanation:
Rotation of point through 90° about the origin in anticlockwise direction when point M (h, k) is rotated about the origin O through 90° in anticlockwise direction. The new position of point M (h, k) will become M' (-k, h).
We are given the coordinates of the given triangle as:
(-5,0),(-2,3),(-4,5)
Hence after rotation 90° anticlockwise the new coordinates of the transformed triangle will be:
(0,-5),(-3,-2),(-5,-4).
Hence we can show this transformation with the help of the figure attached to the answer.
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Answer:
2.58 seconds
Step-by-step explanation:
When you complete the square, you get ...
h = -16(t -9/16)^2 +60 +81/16
Then the solution for h=0 is ...
t = (x -9/16)^2 = 1041/256
t = (9 +√1041)/16 ≈ 2.57903 ≈ 2.58
It takes about 2.58 seconds for the ball to hit the ground.
