Tutors Answer Your Questions about Quadratic Equations (FREE)
Question 314958: Trying to figure out this word problem...A frog leaps from a lily pad into the air with an initial vertical velocity of 20 feet per second. Use the equation h=16t to the second+vt+s to determine how long the frog is in the air. Thanx!
Click here to see answer by solver91311(24713)  |
Question 315241: A rectangular pool has dimensions of 40 ft. and 60 ft. The pool has a patio area around it that is the same width on all sides.If the patio area equals the area of the pool, how wide is the distance from the pool edge to the patio edge?
If x represents the width of the patio, then which of the following equations could be used to solve the word problem?
Click here to see answer by checkley77(12844) |
Question 315118: Describe a real scenario of the application of a quadratic equation. First find an application example that uses the QE (for example, find the dimensions of the maximum area or volume).
-Find out a real problem
-Define variables
-Establish a responding quadratic equation
-Solve the equation
-Explain what is the reasonable solution between the two solutions of the quadratic equation
-Indicating an optimal value
Click here to see answer by solver91311(24713)  |
Question 316364: Which of the following points is on the graph of the equation y = x2 ?
A. (-2, 4)
B. (-5, 10)
C. (5, 10)
D. (4, 8)
Solve the equation by finding the square root of both sides: 3x2 = 27
A. x = 3 and x = 27
B. x = 1 and x = 9
C. x = ±3
D. x = ±√3
Solve the equation by completing the square: x2 + 2x - 8 = 0
A. x = 2 and x = -8
B. x = -4 and x = 2
C. x = 8
D. x = 1, x = 2 and x = -8
Solve for y: y2 + 12y + 11 = 0.
A. y = 1 or -11
B. y = -1 or -11
C. y = -1 or 11
D. None of the above
Solve the equation by finding the square root of both sides: 5x2 = 125
A. x = ±√5
B. x = ±5
C. x = 5 and 125
D. x = 1 and 25
Click here to see answer by rfer(16322) |
Question 316641: I am in my 50's and taking a online math class. I need some help with this problem if possible. This is the first time that I have used this site so please bear with me if I post something wrong.
A 12 ft ladder is leaning against a building at a 70 degree angle. What is the distance from the ground?
Click here to see answer by Fombitz(32388)  |
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