Solve the problem.Will you weigh less if you lose 5 pounds or lose 6 pounds?
A. 5 pounds
B. 6 pounds
Answer: B
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Find all the complex roots. Write the answer in the indicated form.The complex fourth roots of -16 (rectangular form)
A. 2 + i, 2 - i, -2 + i, -2 - i
B. +
i,
-
i, -
+
i, -
-
i
C. 1 + i, 1 - i, -1 + i, -1 - i
D. 8 + 8
i, 8
- 8
i, -8
+ 8
i, -8
- 8
i
Translate to a proportion and solve. What percent of 50 is 18?
A. 18% B. 160% C. 36% D. 80%
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.-2xy7
A. Monomial; variables x, y; coefficient -2; degree 1 B. Monomial; variables x, y; coefficient -2; degree 7 C. Monomial; variables x, y; coefficient -2; degree 8 D. Not a monomial
Solve the problem.2 + 9i is a solution of a quadratic equation with real coefficients. Find the other solution.
A. 2 + 9i B. -2 + 9i C. 2 - 9i D. -2 - 9i