Match the equation of the parabola with the appropriate description.x = 2y2 - 3y + 4
A. Opens left
B. Opens up
C. Opens down
D. Opens right
Answer: D
Mathematics
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Solve the problem.Find the measure of each marked angle.
A. 79° and 101° B. 77° and 77° C. 79° and 11° D. 79° and 79°
Mathematics
Solve the problem.The half-life of a radioactive element is 130 days, but your sample will not be useful to you after 80% of the radioactive nuclei originally present have disintegrated. About how many days can you use the sample?
A. 302 B. 297 C. 287 D. 312
Mathematics
Evaluate the logarithm without using a calculator.ln e
A. 1 B. -1 C. e D. 0
Mathematics
Suppose that segment PQ has the given coordinates for one endpoint P and for its midpoint M. Find the coordinates of the other endpoint Q.P
and M
A. Q
B. Q
C. Q
D. Q
Mathematics