Solve the problem.The area of a square is 81 square centimeters. If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 square centimeters less than the area of the square. How much is added and subtracted?
A. 12 cm
B. 9 cm
C. 3 cm
D. 4 cm
Answer: C
Mathematics
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Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex: (-1, -5) passing through: (-2, -8)
A. y = -2x2 + 6x + 8 B. y = 3x2 + 6x - 5 C. y = -3x2 - 6x - 8 D. y = -3x2 + 1x - 5
Mathematics
Simplify.46 ÷ 0
A. 46 B. 0 C. 1 D. undefined
Mathematics
Solve the system of equations.
A. (0, -3), (8, 0) B. (0, 8), (-3, 0) C. (0, 3), (0, -8) D. (0, -8), (3, 0)
Mathematics
Provide an appropriate response.Find the domain of the function f(x) = log (x + 4).
A. Domain (-4, ?) B. Domain (1, ?) C. Domain (0, ?) D. Domain : (4, ?)
Mathematics