The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 5
A. x + y = 25
B. x + y = 5
C. x2 - y2 = 25
D. x2 + y2 = 25
Answer: D
Mathematics
You might also like to view...
Use the discriminant to determine the number of real solutions.s2 - 2s - 3 = 0
A. One real solution B. No real solutions C. Two real solutions
Mathematics
Evaluate the expression.7291/2
A. 27 B. 54 C. 108 D. 13.5
Mathematics
Find the value of the annuity with the following characteristics.Payments of $1000 are made at the end of each year for 12 years at 5% interest compounded annually
A. $35,917.13 B. $3420.68 C. $14,206.79 D. $15,917.13
Mathematics
Simplify.(7x3 + 6x5 - 2) + (5x4 - 1) - (-9x4 + 9x5 - 2x3)
A. 15x5 - 4x4 + 5x3 - 1 B. -3x5 + 14x4 + 9x3 - 3 C. -3x5 - 4x4 + 5x3 - 1 D. 15x5 - 4x4 + 5x3 - 3
Mathematics