What is the degree of the expression?(9 + 7x + 8x6)4
A. 11
B. 28
C. 20
D. 24
Answer: D
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Factor the perfect square trinomial completely.x4 + 10x2 + 25
A. (x2 - 5)2 B. (x2 + 5)2 C. (x2 + 10)(x2 - 10) D. (x2 + 5)(x2 - 5)
Solve the problem.The percent p of high school students who participate in sports at a public high school can be modeled by 10p - 24x = 196,where x is the number of years after 2010. Interpret the p intercept of the graph of this function.
A. In 2010, 19.6% of the high school students at this school participated in sports. B. In 2010, 28.8% of the high school students at this school participated in sports. C. The percent of high school students who participate in sports at this school is increasing 19.6 percent per year. D. The percent of high school students who participate in sports at this school is increasing 2.4 percent per year.
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.x2 + 2x ? 3
A. [-3, 1]
B. (-1, 3)
C. (-?, -1] ? [3, ?)
D. [-1, 3]
Solve the problem.If sin ? = 
, ? in quadrant II, find the exact value of sin
A. 
B. 
C. 
D. 