Identify the vertex of the parabola.f(x) = (x + 3)2 + 7
A. (-3, 7)
B. (7, 0)
C. (7, -3)
D. (0, -3)
Answer: A
You might also like to view...
Use similar triangles to help solve the problem.
?
A tree casts a shadow of 24 feet at the same time as a 5-foot tall man casts a shadow of 4 feet. Find the height of the tree.
?
?
A. h = 27 ft B. h = 42 ft C. h = 30 ft D. h = 35 ft E. h = 22 ft
Solve the system of equations by substitution.
A. (7, 0) B. (0, -7) C. (1, -8) D. no solution
Solve the problem.A tunnel is in the shape of a parabola. The maximum height is 
and it is 11 m wide at the base. What is the vertical clearance 2 m from the edge of the tunnel?A = 26 mB = 11 m
A. 24.1 m B. 1.9 m C. 15.5 m D. 10.5 m
Solve the problem.A satellite dish is shaped like a parabola. The signals that are received by the dish strike the surface of the dish and are reflected to a single point, where the receiver of the dish is located. If the dish is 14 feet across at its opening and 6.1 feet deep at its center, at what position should the receiver be placed?
A. 2 feet from the base along the axis of symmetry B. 12.3 feet from the base along the axis of symmetry C. 0.1 feet from the base along the axis of symmetry D. 24.5 feet from the base along the axis of symmetry