Check to see if the given number is a solution for the equation.x3 + 5x2 = - 8(x2 + 4x); check x = -4
A. -4 is not a solution.
B. -4 is a solution.
Answer: A
You might also like to view...
Solve the initial value problem.Differential Equation: 
= (12t2 - 5)i - j + 
kInitial Condition: r(0) = -5i + 3j + 11k
A. r(t) = (4t3 + 5t + 5)i + (3 + t)j + (
+ 9)k
B. r(t) = (4t3 - 5t - 5)i + (3 - t)j + (
- 9)k
C. r(t) = (12t3 - 5t - 5)i + (3 - t)j + (
+ 9)k
D. r(t) = (4t3 - 5t - 5)i + (3 - t)j + (2
+ 9)k
Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log3.6 112
A. 2.05 B. 0.27 C. 31.11 D. 3.68
Solve.Anne and Nancy use a metal alloy that is 16% copper to make jewelry. How many ounces of an alloy that is 10% copper must be mixed with an alloy that is 20% copper to form 55 ounces of the desired alloy?
A. 24 ounces B. 22 ounces C. 33 ounces D. 38 ounces
Provide an appropriate response.Evaluate: 4-3/2
A. -8
B. 
C. - 4
D. - 