Rearrange the equation into standard form.-5 = -4x2 + 2x
A. 4x2 - 2x - 5 = 0
B. -4x2 - 2x - 5 = 0
C. -4x2 + 2x + 5
D. 4x2 + 2x - 5 = 0
Answer: A
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = 
sin 
, s(?2) = 2
A. s = -2 cos 
+ 3
B. s = 2 cos 
+ 4
C. s = -2 cos 
+ 4
D. s = -2 cos 
+ 8
Use the summation properties and rules to evaluate the series. The following rules may be needed: 
.
A. -294 B. -250 C. -302 D. -282
Find an approximate equation of the line passing through the two given points. Round the slope and the constant term to two decimal places.(2.4, 7.2) and (5, 3.2)
A. y = -1.54x + 32.31 B. y = -1.54x + 10.9 C. y = 1.41x + 6.68 D. y = -0.65x + 8.52
Solve.A windmill is constructed having blades 11.5 feet long. The length of the blades will be the radius of the circle which the windmill will sweep. What is the circumference of the circle which the windmill will sweep? (Use 3.14 for ?.)
A. 37.26 ft B. 74.52 ft C. 72.22 ft D. 36.11 ft