Arrange the polynomial in descending powers of the variable. Then find its degree and leading coefficient.-2 + 7x4 + 16x5
A. -2 + 7x4 + 16x5 , degree: 5, leading coefficient: -2
B. -2 + 7x4 + 16x5 , degree: 10, leading coefficient: -2
C. 16x5 + 7x4 - 2, degree: 9, leading coefficient: 16
D. 16x5 + 7x4 - 2, degree: 5, leading coefficient: 16
Answer: D
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Solve the problem.A poll of 1400 people indicated that 3 out of 5 people were planning on voting in the next election. Of the people who intend to vote 11 out of 20 will vote for the Republican candidate. How many people in the poll will vote for the Republican candidate?
A. 378 people B. 840 people C. 770 people D. 462 people
Graph the circle with radius r and center (h, k).r = 2; (h, k) = (0, 0) 
A. 
B. 
C. 
D. 
Mark as true any statement that is always true. Mark as false any statement that is never true or that is not necessarily true. Be able to justify your answers.
1. If a statement is true then its contrapositive must also be true. 2. If p ? q and q ? r then r ? p. 3. The statement “if p then q” can be read as “q only if p.” 4. If a statement is false, then its converse must also be false. 5. If ?MAD ? ?ROC, then ?DMA ? ?ORC. 6. If two triangles are congruent, then there are exactly three pairs congruent parts—the corresponding angle pairs. 7. In ABC, if AB ? BC then ?BAC ? ?ACB. 8. If AB ? XY , BC ? YZ and ?ABC ? ?XYZ then ?ABC ? ?XYZ 9. In ABC, ABC CBA by corresponding parts (C.P.) 10. If PQ bisects AB, then AP ? BP. 11. To construct a copy of AB, we begin by drawing a new line. 12. The construction of a perpendicular bisector of a segment requires three arcs and one line. 13. The construction of the bisector of an angle requires three arcs and one line.
Find the product.(3xy2 - 5y)(3xy2 + 5y)
A. 9x2y4 + 30xy3 - 25y2 B. 9x2y4 - 30xy3 - 25y2 C. 9x2y4 - 25y2 D. 3x2y4 - 5y2