Write the augmented matrix of the system.
What will be an ideal response?
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Solve using the square root property.3k2 = 147
A. ± 
B. 2401
C. ±7
D. ± 
Find the real solutions, if any, of the equation. Use the quadratic formula.12x = 2x2
A. {0, 6} B. {0, - 6} C. {6, - 6} D. {0}
Solve the problem.A baseball player hit a baseball with an initial speed of 150 feet per second at an angle of 40° to the horizontal. The ball was hit at a height of 4 feet off the ground. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the distance the ball traveled?
A. x = 114.9t, y = -16t2 + 96.45t + 4 12.139 sec, 3.014 sec, 1394.771 feet B. x = 114.9t, y = -16t2 + 96.45t + 4 6.069 sec, 3.014 sec, 1174.679 feet C. x = 114.9t, y = -16t2 + 96.45t + 4 6.069 sec, 3.014 sec, 697.328 feet D. x = 114.9t, y = -16t2 + 96.45t + 4 5.986 sec, 3.014 sec, 687.791 feet
Solve the problem.If a projectile is fired at an angle ? and initial velocity v, then the horizontal distance traveled by the projectile is given by 
Express D as a function of 2?.
A. D = 
v2 sin 2?
B. D = 
v2 sin 2?
C. D = 
v2 sin 2?
D. D = 
v2 cos 2?