Write an equation to describe the variation. Use k for the constant of proportionality.x varies jointly as the square of y and the square of z.
A. xy2z2 = k
B. x = ky2z2
C. x = k + y2 + z2
D. x + y2 + z2 = k
Answer: B
Mathematics
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Solve the problem.Determine a polynomial that represents the area of the figure.
A. 12x2 + 33x + 18 B. 18x2 + 12 C. 18x2 + 33x + 12 D. 12x2 + 18
Mathematics
Locate any intercepts of the function.
A. (0, -5)
B. (0, 9), (
, 0), (
, 0)
C. (0, 9)
D. (0, -5), (
, 0), (
, 0)
Mathematics
Find the inverse of the matrix A, if it exists.A = 
A. A-1 does not exist.
B. A-1 = 
C. A-1 = 
D. A-1 = 
Mathematics
When Mary and Jack bought their house, their property taxes were $3,630 annually. After 8 years, their property taxes are now $4,065.60. What percent increase is this?
What will be an ideal response?
Mathematics