Factor completely.64z2 - 9
A. (8z - 3)2
B. (8z + 3)2
C. (64z - 9)(z + 1)
D. (8z - 3)(8z + 3)
Answer: D
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Estimate the answer by rounding as indicated.Estimate by rounding to the nearest hundred.
A. 2800 B. 2820 C. 2900 D. 2823
If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.r = 28.8 feet, ? = 34.786°, A = ?
A. 503.58 ft2 B. 251.79 ft2 C. 506.58 ft2 D. 254.79 ft2
State whether the function is linear or quadratic.f(x) = 7 + 8x2
A. Linear B. Quadratic
The sequence is defined recursively. Write the first four terms.a1 = 2; an = 2an-1 - 3
A. a1 = 2, a2 = 7, a3 = 17, a4 = 37 B. a1 = 2, a2 = 4, a3 = 8, a4 = 16 C. a1 = 2, a2 = 1, a3 = 5, a4 = 13 D. a1 = 2, a2 = 1, a3 = -1, a4 = -5