Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: -3, -2, 2; degree 3
A. f(x) = x3 - 4x - 3x2 + 12
B. f(x) = x3 - 4x + 3x2 - 12
C. f(x) = x3 + 4x - 3x2 - 12
D. f(x) = x3 + 4x + 3x2 + 12
Answer: B
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Solve the problem.John does 15 pushups on the first day of a 30-day month, and then increases the number of pushups by 2 pushups a day. How many pushups has he done by the end of the month?
A. 1380 pushups B. 1350 pushups C. 1305 pushups D. 1320 pushups
Use the simple interest formula.How can $42,000 be invested, part at 4% annual simple interest and the remainder at 10% annual simple interest, so that the interest earned by the two accounts is equal at the end of the year?
A. $30,000 invested at 4%; $12,000 invested at 10% B. $22,000 invested at 4%; $20,000 invested at 10% C. $12,000 invested at 4%; $30,000 invested at 10% D. $20,000 invested at 4%; $22,000 invested at 10%
Multiply or divide as indicated.
÷ 
A. 
B. 
C. x + 10
D. 
Solve the system by substitution. -4x + 8y = 56 x + 7y = 49
A. No solution B. (0, 7) C. (1, 6) D. (-7, 0)