Use the square root property to solve the quadratic equation.x2 - 5 = 0
A. No real solution
B. 
C. ± 
D. ± 5
Answer: C
You might also like to view...
Solve the problem.A spring with a spring constant k of 18 pounds per foot is loaded with a 16-pound weight and allowed to reach equilibrium. It is then displaced 2 feet downward and released. If the weight experiences a retarding force in pounds equal to 10 times the velocity, find the equation of motion.
A. y ? e-10t(-0.250e8.000t + 2.250e-8.000t) B. y ? e-10t(2.250e8.000t + -0.250e-8.000t) C. y ? e-20t(-0.500e8.000t + 4.500e-8.000t) D. y ? e-10t(4.500e8.000t + -0.500e-8.000t)
Translate the problem to a system of equations, then solve using Cramer's Rule.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1200 liters per hour. What is the flow in each pipe?
A. 600 liters/hr hot, 400 liters/hr cold B. 400 liters/hr hot, 600 liters/hr cold C. 720 liters/hr hot, 480 liters/hr cold D. 480 liters/hr hot, 720 liters/hr cold
Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -(x + 3)2 B. y = -x2 - 3 C. y = -(x - 3)2 D. y = -x2 + 3
Solve the equation.4(x + 5) - (4x + 20) = 0
A. 5 B. 0 C. all real numbers D. no solution