Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 2; r = -5
A. a5 = -250; an = 2 ? (-5)n
B. a5 = -250; an = 2 ? (-5)n-1
C. a5 = 1250; an = 2 ? (-5)n
D. a5 = 1250; an = 2 ? (-5)n-1
Answer: D
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A. - csc
+ C
B. -cot + C
C. csc + C
D. -csc + C
Find all six trigonometric functions of ? if the given point is on the terminal side of ?.
?
?
A. sin ? = 0; cos ? = 01; csc ? = undefinedsec ? = 01; tan ? = 0; cot ? = undefined B. sin ? = 01; cos ? = 0; csc ? = 01sec ? = undefined; tan ? = 0; cot ? = undefined C. sin ? = 01; cos ? = 0; csc ? = 01sec ? = undefined; tan ? = undefined; cot ? = 0 D. sin ? = 0; cos ? = 01; csc ? = undefinedsec ? = 01; tan ? = undefined; cot ? = 0 E. sin ? = 01; cos ? = 0; csc ? = undefinedsec ? = 01; tan ? = 0; cot ? = undefined
Translate the phrase to an algebraic expression. Use x to represent "a number."a. The product of a number and 10b. Twice a number subtracted from 8
A. a. 10x
b. 8 - 2x
B. a.
b. 8 - 2x
C. a. 10x
b. 2x - 8
D. a.
b. 2x - 8
Find the equation of the axis of symmetry of the parabola.y = 7x2 + 7x
A. x =
B. x = -
C. x = -7
D. x = 7