Find the focus and directrix of the parabola.y = 5x2
A. (1/20, 0); x = -1/20
B. (0, 1/20); y = -1/20
C. (0, 1/20); y = 1/20
D. (1/5, 0); x = -1/5
Answer: B
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Perform the indicated operations on a calculator. Express the result with the proper accuracy and precision. Assume that all numbers are approximate.
A. -0.0130 B. -0.0160 C. -0.01600 D. -0.01296
Solve the problem. Use a FICA rate of 6.2%, a Medicare rate of 1.45%, and an SDI rate of 1%. Assume the person's earnings will not exceed $31,800 for the year. Round to the nearest cent if needed.Todd Bennett worked 41.5 hours last week at Eck Builders, a construction company. He is paid $11.27 per hour, plus time-and-a-half for overtime. Find his Social Security tax and Medicare tax for the week.
A. $29.52, $6.90 B. $27.95, $6.54 C. $43.50, $10.17 D. $29.00, $6.78
Use synthetic division to find the quotient and the remainder.x4 + 625 is divided by x - 5
A. x3 + 5x2 + 25x + 125; remainder 0 B. x3 + 5x2 + 25x + 125; remainder 1250 C. x3 - 5x2 + 25x - 125; remainder 1250 D. x3 + 5x2 + 25x + 125; remainder 625
Graph the ellipse and locate the foci.9x2 + 16y2 = 144
A. foci at (0, 
) and (0, -
)
B. foci at (4, 0) and (-4, 0)
C. foci at (5, 0) and (-5, 0)
D. foci at (
, 0) and (-
, 0)