Provide an appropriate response.
When solving an equation, when should ± be part of the root?
What will be an ideal response?
Answers will vary.
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Find the distance between the points. (Round the answer to two decimal places)? ? ?(9.5, -4.1), (-3.3, 8.7) ?
A. 8.7 B. 9.5 C. 327.68 D. 3.3 E. 18.10
Solve the problem.A spherical balloon is inflated with helium at a rate of 
How fast is the balloon's radius increasing when the radius is 
A. 1.25 ft/min B. 3.75 ft/min C. 0.31 ft/min D. 2.50 ft/min
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 128 feet per second and the gorge is 240 feet deep, during what interval can the flare be seen? Use the formula h(t) = -16t2 + v0t + h0.
A. The flare can be seen between 9 sec and 11 sec. B. The flare can be seen up to, but not including, 3 sec. C. The flare can be seen between 6 sec and 8 sec. D. The flare can be seen between 3 sec and 5 sec.
Solve the problem.If the probability of snow on Tuesday is 0.125, then the odds of snow on Tuesday can be given as
A. 1 to 7. B. 1 to 8. C. 125 to 1. D. 1 to 12.5. E. none of these