Solve 2x^2-18=0 using square roots. What are the solutions?
Question 4
4.
What are the solutions to (x+2)^2=36 ?
Question 5
5.
Sheila is using the quadratic formula to find the zeros of y=x^2-2x-4. Which of the following values should she use for a, b, and c?
Question 6
6.
Carlos is using the quadratic formula to find the zeros of
Which of the following will simplify to the correct solutions?
Question 7
7.
Solve:
Write your answers in set notation: { , }
Question 8
8.
Solve:
Write your answers in set notation: { , }
Question 9
9.
Solve using square roots:
Write your answers in set notation: { , }
Question 10
10.
Solve using square roots:
Write your answers in set notation: { , }
Question 11
11.
Use the Quadratic Formula to solve. Round your answer to 2 decimal places.
Write your answers in set notation: { , }
Question 12
12.
Use the Quadratic Formula to solve.
Write your answers in set notation: { , }
Question 13
13.
A rock is thrown upward from a platform 16 feet above ground. The height in feet of the rock above the ground is given by the equation:
where t is the time in seconds after the rock is thrown.
How long does it take the rock to reach the ground?
Question 14
14.
The quarterback of a football team throws a pass to the team’s receiver. The height, h, in meters of the football can be modeled by
where t is the time elapsed in seconds. The receiver catches the football at a height of 1 meter. How long does the ball remain in the air until it is caught by the receiver?
Round your answer to the nearest tenth (1 decimal place).