Find an equation of a parabola that satisfies the given conditions.Vertex (6, -2), focus (9, -2)
A. (y + 2) = 
B. 
(x - 6) = (y + 2)2
C. (x - 6) =
D. x - 6 = 3(y + 2)2
Answer: C
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Find the standard deviation for the given data.Christine is currently taking college astronomy. The instructor often gives quizzes. On the past seven quizzes, Christine got the following scores:51 16 37.0 30 14 43 74Round results to one decimal place.
A. 10,032.1 B. 37.0 C. 20.9 D. 12,647.0
Factor. Check by multiplying.7 + 70a + 35b
A. 7(1 + 70a + 35b) B. 7(1 + 10a + 5b) C. 7(0 + 10a + 5b) D. 70(1 + a + b)
Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = x4 - 4x3 - 7x2 + 8x + 10
A. {1, 5, -
, 
}
B. {-5, 1, -
, 
}
C. {-1, 5, -
, 
}
D. {-5, -1, -
, 
}
Use the distributive property to write the sum as a product.(-1) ? 3 + (-1) ? f
A. -1(3 - f) B. -1(3f) C. 1(3 + f) D. -1(3 + f)