Unit 8 Test Study Guide
Find the vertex y=2x^2+4x
(-1,-2)
Natalie found a tennis ball outside a tennis court. She picked up the ball and threw it over the fence into the court. The path of the ball can be represented by h=-16t^2+18t+5. How long will it take to reach the ground?
1.36
Natalie found a tennis ball outside a tennis court. She picked up the ball and threw it over the fence into the court. The path of the ball can be represented by h=-16t^2+18t+5. What is the maximum height?
10.06
The length of a rectangle is five feet less than its width. If the area of the rectangle is 84 square feet, find its dimensions.
12 x 7
A circus acrobat is show out of a cannon with an initial upward speed of 50 ft/s. The equation for the acrobat's pathway can be modeled by h=-16t^2+50t+4. How long will it take to reach the ground?
3.20
A circus acrobat is show out of a cannon with an initial upward speed of 50 ft/s. The equation for the acrobat's pathway can be modeled by h=-16t^2+50t+4. Find the maximum height of the acrobat.
43.06
Find the zeros y=-2x^2-3
No solution
Find the AOS y=x^2-9
x=0
Find the Axis of Symmetry y=-x^2+10x-28
x=5
Find the value of x when the area of a rectangle is 42. One side is (x+8), and the other side is (x-3).
x=6
Solve x^2-100=0
x={-10,10}
Solve 11x^2-x=x^2+2
x={-2/5,1/2}
Solve 25x^2+1=5
x={-2/5,2/5}
Solve -x^2+4x=x-20
x={-3.22,6.22}
Solve x^2-x=18
x={-3.77,4.77}
Solve x^2-7x=44
x={-4,11}
Solve (x-7)(x+3)=24
x={-5,9}
Solve 2x^2+3x-72=x^2+2x
x={-9,8}
Solve 8x^2=20x
x={0,2.5}
Solve 9x^2-36x=0
x={0,4}
Solve 16x^2=10x
x={0,5/8}
Solve (x-1)(x-8)=0
x={1,8}
Find the zeros y=-x^2+4x-4
x={2}
Find the zeros y=x^2-8x+15
x={3,5}
Solve 3x^2+75=30x
x={5}