Solve the system by substitution. If the system is inconsistent or dependent, say so.2x + 3y = -2 2x = -8
A. (-4, -2)
B. (-2, 0)
C. (-4, 2)
D. (2, -4)
Answer: C
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Perform the indicated operation and reduce the answer to lowest terms.
- 
A. - 
B. - 
C. 
D. - 
Write a quadratic equation in standard form with the given solution set.{-9, 2}
A. x2 - 7x - 18 = 0 B. x2 + 18x - 7 = 0 C. x2 + 7x - 18 = 0 D. x2 - 18x - 7 = 0
State the value of the discriminant and the number of real solutions.s2 = -5s + 1
A. 0, one B. -29, two C. 29, one D. 29, two
Solve.You deposited $4,000 in an account that pays 12% annual interest compounded continuously. Write the equation to determine the amount, A, you will have in t years. How much will you have in 5 years?
A. A = 4,000e0.12t; $7,288.48 B. A = 4,000et; $593,652.61 C. A = 4,000e0.12; $4,509.99 D. A = 4,000(1.01)12t; $7,266.79