A hydrogen molecule is 1.5x10¯¹º meters in length. This is that number in standard notation?
What is 0.00000000015
100
The point (2,3) after a translation of 2 to the right and 3 down.
What is (4,0)
100
The solution to the system of equations:
r + s = -6
r - s = -10
What is r=-8 and s=2
100
What is the volume of a Starbucks coffee (if it was a perfect cylinder) when the height of the cup is 5 inches tall and the diameter is 2 inches across?
What is 15.7 cubic inches
200
Mr. Hines paid $8.40 for an international phone call. He paid a fee of $1.25 plus $0.55 per minute. This is an equation can be used to find x, the length of the call in minutes?
What is 0.55x + 1.25 = 8.40
200
What is 9.12 x 10^4 in standard notation?
What is 91,200
200
The point A' = (4, 2) was translated up 5 and to the right 4. What are the coordinates of A?
What is (0,-3)
200
The solution to the system:
x = 4y
2x + 3y = 22
What is (8,2)
200
Slope of a vertical line.
What is undefined
300
This is an equation of the line that jas a slope of -2/3 and passes through the origin in standard form.
What is 3y+2x=0
300
Which is larger: 67,000 or 6.7 x 10^3
What is 67,000
300
Triangle ABC has coordinates (2,3), (-4, 6) and (-1,5). The coordinates of A'B'C' after a dilation with the center of dilation at the origin and a scale factor of 2.
What is (4,6), (-8,12), and (-2,10).
300
(-2,1) is a solution to the system
6x - 3y = -15
2x + y = -3
What is yes
300
John knows two of the angle measures of triangle PQR. Angle Q is 75 degrees and angle R is 51 degrees. What is the measure of angle P?
What is 54 degrees
400
This is an equation of the line that passes through the points ( 2, 4) and (5, 1)?
What is y=-x+6
400
Humpback whales are known to weigh as much as 8 x 10^4 pounds. The tiny krill they eat weigh only 2.1875 x 10^-3 pounds. Approximately how many times greater than krill are humpback whales?
What is apporximately 4 x 10^7
400
The coordinates of A are (2, 5). The coordinates of the point A' once A has been reflected over the x-axis.
What is (2,-5)
400
Harold had a summer lemonade stand where he sold small cups of lemonade for $1.25 and large cups for $2.50. If Harold sold a total of 155 cups of lemonade and collected a total of $265, how many cups of each type did he sell?
What is 98 small cups and 57 large cups of lemonade?
400
A rectangular field has a length of 160 feet and a width of 120 feet. What is the length of a diagnol of the field?
What is 200 ft.
500
Ricardo is draining his pool for the winter. There are 240 gallons in the pool and it is decreasing at a rate of 20 gallons per hours. Write an equation to represent the relationship between the amount of water in the pool, y, and the number of hours the pool has been draining, x. Then find out how long it will take to completely drain the pool
What is y=240-20x, and 12 hours.
500
Is the following number written in scientific notation? Why or why not? 13.79 x 10^7
What is no, 13.79 is not less than 10
500
Point A has the coordinates (7,-3). The coordinates of A' after a 90 degree rotation counterclockwise around the origin.
What is (3,7)
500
The solution to the system of equations:
y - 3x = 3
y = 3x - 2
What is no solution
500
What do we call the set of all numbers that cannot be expressed as finite or repeating decimals?