Asked by Savannah
Please help me I’m desperate!!
1. Which type of function best models the data in the table? Use differences or ratios.
X: 0,1,2,3,4
Y: 0,5.5,22,49.5,88
2. A bird drops a stick to the ground from a height of 75 ft. The function h=-16t^2+75 gives the sticks approximate height above the ground, in feet, after t seconds. At what time does the stick hit the ground?
3. Graph the function f(x)= -2x^2+3
4. Solve. (x-5)(3x+8)=0
The solution is x= ?
(Use a comma to separate answers as needed)
5. During halftime of basketball game come on a slingshot launches T-shirts at the crowd. A T-shirt is launched a reminder 5 feet with her initial upward velocity of 72 ft./s. Use the equation h(t)=-16t^2+72t+5, Where T is time in seconds and h(t) is height. How long will it take the T-shirt to reach its maximum height? What is the maximum height?
. The T-shirt takes______second(s) to reach the maximum height. (type an integer or a decimal)
. The T-shirts maximum height is ______ feet above the court. (type an integer or a decimal)
6. Solve by factoring.
v^2+11v+18=0
The solution is v=?
7. Solve by factoring.
2m^2-7m-30=0
m=?
8. Use quadratic formula to solve the equation.
8m^2+13m-7=0
- select the correct choice below and, if necessary fill in the answer box complete your choice
A. x=____
B. The solution is not a real number
1. Which type of function best models the data in the table? Use differences or ratios.
X: 0,1,2,3,4
Y: 0,5.5,22,49.5,88
2. A bird drops a stick to the ground from a height of 75 ft. The function h=-16t^2+75 gives the sticks approximate height above the ground, in feet, after t seconds. At what time does the stick hit the ground?
3. Graph the function f(x)= -2x^2+3
4. Solve. (x-5)(3x+8)=0
The solution is x= ?
(Use a comma to separate answers as needed)
5. During halftime of basketball game come on a slingshot launches T-shirts at the crowd. A T-shirt is launched a reminder 5 feet with her initial upward velocity of 72 ft./s. Use the equation h(t)=-16t^2+72t+5, Where T is time in seconds and h(t) is height. How long will it take the T-shirt to reach its maximum height? What is the maximum height?
. The T-shirt takes______second(s) to reach the maximum height. (type an integer or a decimal)
. The T-shirts maximum height is ______ feet above the court. (type an integer or a decimal)
6. Solve by factoring.
v^2+11v+18=0
The solution is v=?
7. Solve by factoring.
2m^2-7m-30=0
m=?
8. Use quadratic formula to solve the equation.
8m^2+13m-7=0
- select the correct choice below and, if necessary fill in the answer box complete your choice
A. x=____
B. The solution is not a real number
Answers
Answered by
ahhh!!
use a calculater for the factoring and then see if that helps
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