Determine whether the slope of the line is positive, negative, zero, or undefined.
A. undefined
B. negative
C. positive
D. zero
Answer: A
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Look for a pattern and then predict the general term, or nth term, an, of the sequence.-1, 4, -16, 64, -256, . . .
A. an = (-1)n4n B. an = (-1)n4n-1 C. an = (-1)n4n D. an = (-1)n-14n-1
In a normal distribution, which of the following statements is/are true?
a. The curve has one peak with most of the data points on one side. b. The mode, mean, and median all occur at the same point. c. The standard deviation is the same as the spread. d. 99.7% of the values fall within one standard deviation.
Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.414 + 761 + 470 + 430 = 2075
A. Incorrect. Estimate: 2200 B. Incorrect. Estimate: 2000 C. Incorrect. Estimate: 2300 D. Correct. Estimate: 2100
Find two equivalent expressions for the opposite of the polynomial.-7x3 + 5x2 + 14
A. -(-7x3 + 5x2 + 14); 7x3 - 5x2 - 14 B. -(-7x3 + 5x2 + 14); 7x3 - 5x2 + 14 C. -(-7x3 + 5x2 + 14); -7x3 + 5x2 + 14 D. -(-7x3 + 5x2 + 14); -7x3 - 5x2 - 14