Find the focus and directrix of the parabola.x2 = -20y
A. (0, -5); x = 5
B. (0, -5); y = 5
C. (-5, 0); y = 5
D. (0, -5); y = -5
Answer: B
Mathematics
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Solve the system by graphing on a calculator. Round to the nearest hundredth if necessary.y = e2x+32x + y = 3
A. {(-0.75, 4.5)} B. {(0.75, 4.5)} C. {(0.75, -4.5)} D. {(-0.75, -4.5)}
Mathematics
Provide an appropriate response.Add: 467 + 83 + 8,295 + 8
A. 8,743 B. 16,847 C. 16,478 D. 8,853 E. none of the above
Mathematics
Graph using the slope and the y-intercept.2x - y = 4
A. 
B. 
C. 
D. 
Mathematics
Find the linear function that is the best fit for the given data. Round decimal values to the nearest hundredth, if necessary.
A. y = 0.30x + 4.29 B. y = 0.32x + 2.57 C. y = 0.30x + 2.57 D. y = 0.32x + 4.29
Mathematics