Show by substitution whether the number r is a solution of the corresponding quadratic equation.15x2 + 32x + 16 = 0; r = - 
A. Yes
B. No
Answer: A
Mathematics
You might also like to view...
For the given function f(x), find a bound for the indicated remainder term on the given interval.f(x) = -3x5 + 4x3 - 4x2 + 4; R11; a = 0; [-2, 3]
A. 0.000002369 B. 0 C. 0.000001876 D. 0.000001137
Mathematics
Find the future value of the deposit if the account pays simple interest. Round to the nearest cent.$1420 at 2.3% for 7 years
A. $1645.35 B. $1681.28 C. $1648.62 D. $1540.33
Mathematics
Solve the problem.The water in a tank weighs 237.82 lb. One cubic foot of water weighs 62.5 lb. How many cubic feet of water are in the tank?
A. 300.32 cubic feet B. 0.26280 cubic feet C. 3.80512 cubic feet D. 14,863.750 cubic feet
Mathematics
Subtract.
- 
A. - 
B. 
C. - 
D. 
Mathematics