Solve the equation.
= 
A. 3, 3
B. -2, 3
C. No solution
D. 3
Answer: B
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Solve the problem.A window is in the shape of a trapezoid. The altitude of the window is 47 inches. One base measures 44 inches, and the other base measures 28 inches. What is the area of the window?
A. 3384 square inches B. 57,904 square inches C. 1692 square inches D. 376 square inches
Find the coordinates of the vertex of the parabola.y = 3x2 + 6x - 1
A. (-1, -4) B. (4, 1) C. (-4, -1) D. (1, 4)
Solve the problem.The average per-person annual consumption of hot dogs is shown in the table. Let C be the average per-person consumption of hot dogs at t years since 1990. C = 0.97t + 18.41 can be used to model the data.
What is the C-intercept and what does it mean in this situation?
A. (0, 18.41); In 1990 the average consumption was 18.41 hot dogs per-person. B. (-18.98,0); In 2009 the average consumption will be 0 hot dogs per-person. C. (0, 0.97); In 1900 the average consumption was 0.97 hot dogs per-person. D. (0, 18.41); Each year the average consumption is increased by 18.41 hot dogs per person.
Express in simplified form. Assume that all variables represent positive real numbers.
A. y4 - 6
B. 
C. 
D. 6y4