Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. 3x2 = 12x - 12
A. a = 3, b = 12, c = -12
B. a = 3, b = -12, c = -12
C. a = 3, b = 12, c = 12
D. a = 3, b = -12, c = 12
Answer: D
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Solve the problem.The following table shows the rate of water flow (in gal/min) from a stream into a pond during a 30-minute period after a thunderstorm. Use Simpson's Rule to estimate the total amount of water flowing into the pond during this period. Round your answer to the nearest gallon.
A. 8475 gal B. 8483 gal C. 9725 gal D. 7717 gal
Evaluate the expression by hand.324/5
A. 512 B. 16 C. 256 D. 128
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.What is 2.922 less than 5.28?
A. Estimate: 2; exact: 2.368 B. Estimate: 3; exact: 3.368 C. Estimate: 2; exact: 2.358 D. Estimate: 2; exact: 2.362
Find an equation for the parabola described.Vertex at (0, 0); focus at (-19, 0)
A. x2 = -76y B. y2 = 76x C. y2 = -76x D. y2 = -19x