A rocket is launched from a roof 20 feet above the ground. The equation of the height of the rocket is -16T^2+32T+20. After how many seconds will the rocket come back to the roof after being launched?
4 Seconds
100
Solve for X, Y+5x+9=19
Y=-5x+10
100
If a=3, then what's 2a+6
12
100
2x^2 + 2x^2 + 2x^3
2x^3 + 4x^2
200
What is the mode of the data? 1,3,4,7,6,2,5,10
No mode
200
A bird is shot while flying 64 feet above the ground. The birds distance, D, in feet above the ground after ,T, seconds is given by the equation D=-16T^2+64. After how many seconds will the bird hit the ground?
2 Seconds
200
What's the linear equation of the vertical line that passes through (7,4)?
x=7
200
If a=4, and b=2, then what is 3a + b
14
200
3x^2 times 7x^3 y
21x^5 y
300
What is the mean of the data? 24,21,19,27,19,22,30,28,25,14
22.9
300
A ball is thrown at a fence. The ball follows a path in which the height, H, is given by H=-2T^2+5T+3. What is the maximum height the ball will reach?
6 Feet.
300
4Y=16X+36
Y=4X+9
300
Find x if f(x) = 2
f(x)= 3x +2
x = 4\3
300
(12x^7 y^5) / (8x^4 y^2)
(4x^3 y^3) / 3
400
What is the population deviation of the data? 31,42,37,34,31,29,40,29,22,36,38
5.5
400
Fireworks are fired verticallyninto the air from the ground. They will explode at their maximum height. Their height,H, in feet can be predicted by the equation H=-16T+80T. Where T is the time in seconds. At what time should they explode?
2.5 Seconds
400
18y + 68x = 59.5 + x
y=-4x + 3.5
400
Find x if h(x)=10
h(x)= x^3 +2
x=2
400
(2x^3 y^2) ^3
8x^9 y^6
500
37 boys were in PE 14 did not play, what is the percentage of boys who played
62%
500
A family has 120 feet of fencing and wants to femce of a rectangular field that borders the back of the house. They need no fencing along the back of the house. The fenced of area can be determined by the equation A=120W-2W^2. Where A is the area in square feet and W is the width in feet of the enclosed rectangular field. What is the maximum enclosed area?