Use the square root property to solve the equation.(x + 9)2 = -175
A. {-9 - 5, -9 + 5
}
B. {9 - 5i, 9 + 5i
}
C. {5i - 9, 5i
+ 9}
D. {-9 - 5i, -9 + 5i
}
Answer: D
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Graph the function.f(x) =
A.
B.
C.
D.
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.
Graph the polynomial function. Use synthetic division and the remainder theorem to find the zeros.f(x)= x4 - 2x2 + 1
A. 1, -1 (multiplicity 3);
B. -1 (multiplicity 4);
C. 0 (multiplicity 2), -1 (multiplicity 2);
D. 1 (multiplicity 2), -1 (multiplicity 2);
Solve and graph. Write the solution in interval notation.| x | ? 8
A. (-?, -8]
B. (-?, 8]
C. [-8, 8]
D. (-?, -8] ? [8, ?)