Mirror, Mirror on the Wall.
When a point is crossed over the y axis, what happens to the x coordinate?
It changes to its opposite.
When finding distance, what do you do the the coordinates that are the same?
ignore them.
The ratio of trucks to cars in the parking lot is 4 to 5. How many different ratios can be created from these two units?
6
This measures the number of spaces away from zero.
Absolute Value
What is 20% of 90
18
When a point is crossed over the y axis, what happens to the y coordinate?
It stays the same
When finding distance, what do you do to the absolute values of the coordinates that are the different?
add or subtract
The ratio of shoes sold to sandals sold was 6 : 1. If there were 42 shoes sold, how many sandals were sold?
7
How many spaces away from zero is -1000?
1000
What is 31% of 400?
124
What are the coordinates when (-3, 8) reflects over the x axis?
(-3, -8)
What is the distance between points (119, 20) and (-101, 20)
220 units
The ratio of trucks to cars in the parking lot is 4 to 5. How cars are there, if there are 20 trucks?
25
Absolute value is always written as what kind of number.
positive
What is the cost of a $200 jacket that is discounted 25%
$150
What are the coordinates when (-33, 88) reflects over the y axis?
What is the distance between points (119, 20) and (201, 20)
82 units
Adam had beaten 70 levels in a video game. If the ratio of levels he had beaten to not beaten was 10 : 3, how many levels does the game have total?
91
The summit to a volcano is 10km and the base of the volcano is -5km. What is the distance between the base and the summit.
15km
What is the cost of a meal for two that is $25 each with an 8% tax
$54
What happens to an image when it if reflected over an axis?
It is flipped or inverted.
What is the distance between points (119, -205) and (119, 795)
1000
A pet store sold dogs and cats at a ratio of 7 to 9. How many more cats did they sell than dogs if there were 81 cats sold?
18
What is five spaces to the left on -20 on a number line?
-25
What is the cost of a meal for two that is $25 each with an 8% tax with a 20% tip?
Daily Double
64.50