Find the equation of the curve for the given slope and point through which it passes.Slope given by -4x/y; passes through (0, -4)
A. y2 = -4x2 + 16
B. y2 = 4x2 + 16
C. y2 = -4x2 + 4
D. y2 = -4x2 - 16
Answer: A
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Use trial and error to factor the trinomial, or state that the trinomial is prime.3x2 + 22x - 35
A. (3x - 5)(x + 7) B. prime C. (3x - 7)(x + 5) D. (3x + 7)(x - 5)
Express the transform of the given expression in terms of s and ?
.y" - 2y' + 2y, f 
= -1, f' 
= 3
A. 
?
+ s - 5
B. 
?
+ s - 5
C. 
?
+ s - 2
D. 
?
- s - 1
Solve the problem.A computer is purchased for $4400. Its value each year is about 78% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function V(t) = 4400(0.78)t. Find the value of the computer after 6 years.
A. $772.89 B. $990.88 C. $602.85 D. $20,592.00
Add or subtract. Assume that variables represent nonnegative values.6w2
+ 4w2
A. cannot combine because the radicals are not like
B. -10w2
C. 10w3
D. 10w2