Transformations
A rotation to the left is in the _______________ direction.
What is counter-clockwise.
Dilations ___________or ____________ an object.
What is enlarge or reduce.
44 X 84
What is 324
The population of the United States is 3.1 x 108 and the population of Canada is 3.38 x 107 . What is the total population?
3.438 x 108
Convert to standard notation: 987 X 105
98,700,000
An arrow pointing up and to the left is reflected over the origin, what happens to the direction of the arrow.
What is it points down and to the right.
If the scale factor is less that one, what happens to the shape?
It shrinks/reduces
34/37
What is 3-3
(5.2 x 104) - (1.5 x 102) - (4.6 x 104)
5.85 x 103
Convert to scientific notation: 45,300
4.53 X 104
The point (5,4) is dilated by 0.5. What are the new coordinates?
What is (2.5, 2)
Point A is at (4,8). Point A' is at (1,2). What is the scale factor?
What is 1/4 or 0.25.
(125)3 / 123
1212
(3.2 x 10-2) + (3.2 x 10-4)+ (2.8 x 10-2)
6.032 x 10-2
Convert to scientific notation: 0.034
3.4 X 10-2
The point (4, -2) is translated by (x-6, y+6). What are the new points?
What is (-2,4)
What is the new coordinates of ∆DEF after a dilation with a scale factor of 0.5. D(2,8) E(2,2) F(6,2)
D'(1,4), E'(1,1), F'(3,1)?
(3x5)(10x2) / 6x3
What is 5x4?
When the Sun orbits around the center of the Milky Way, it travels 2.025 x 104 kilometers. The orbit takes 225,000,000 years. What rate of speed does the Sun move?
hint = use DRT formula to find km/yr
9 x 10-5 km/year
Convert to standard notation: 9.64 X 10-7
0.000000964
A point in Quadrant 2 is rotated 90 degrees clockwise, 180 degrees counter-clockwise, 270 degrees clockwise, then 90 degress counter-clockwise. What quadrant is it now in?
What is quadrant 1
Graph ∆JKL after a rotation of 180º about the origin. J(5,6) K(7,9) L (1,2)
J(-5,-6), L(-7,-9), L(-1,-2)
(4x-2)2 / 8x-8
What is 2x4 ?
Light travels at a speed of 1.86 x 105 miles per second. It takes light from the Sun about 4.8 x 103 seconds to reach Saturn. Find the approximate distance from the Sun to Saturn.
Hint = DRT formula
8.928 x 108
Write this number in scientific notation 0.000000302
What is 3.2 x 10-7?