Solve the problem.A person standing close to the edge on top of a 64-foot building throws a baseball vertically upward. The quadratic function  models the ball's height above the ground,  in feet, t seconds after it was thrown. How many seconds does it take until the ball finally hits the ground? Round to the nearest tenth of a second if necessary.

A. 2 sec
B. 4.8 sec
C. 0.8 sec
D. 128 sec


Answer: B

Mathematics

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Write the equation of the graph in its final position.The graph of y =  is translated 9 units to the right.

A. y = 
B. y =  + 9
C. y =  - 9
D. y = 

Mathematics

Solve the problem.A bag of chips weighs 24 ounces. A serving size is  ounce. How many servings are in the bag of chips?

A. 32 servings
B. 6 servings
C. 9 servings
D. 18 servings

Mathematics

Use the discriminant to classify the graph. ? ?

A. The graph is a cone. B. The graph is a parabola. C. The graph is a ellipse or circle. D. The graph is a hyperbola. E. The graph is a line.

Mathematics

Find the x- and y-intercepts of the parabola associated with the quadratic equation. If the parabola does not have any x-intercepts, state "no x-intercepts."y = x2 - 6x + 9

A. (9, 0), (0, -3) B. (3, 0), (0, 9) C. (-3, 0), (0, 9) D. (9, 0), (0, 3)

Mathematics