Cumulative Exam — Cumulative exam Answers
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Tanisha is graphing the function f(x) = 25()x. She begins by plotting the point (1, 15). Which could be the next point she plots on the graph?
A
(2, 9)B
(2, –10)C
(2, 14)
D
(2, 5)22
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Two numbers are 10 units away in different directions from their midpoint, m, on a number line. The product of the numbers is –99.
A
(m – 5)(m + 5) = 99B
(m – 10)(m + 10) = 99C
m2 – 25 = –99D
m2 – 100 = –9923
The graph shows a distribution of data with a standard deviation of 6.
A
It is within 1 standard deviation of the mean.B
It is within 2 standard deviations of the mean.C
It is exactly 3 standard deviations from the mean.D
It is exactly 4 standard deviations from the mean.24
Fiona is completing the square to solve the polynomial equation.x2 – 4x + 1 = 0
A
isolating the constant 1B
adding 4 to both sides of the equationC
isolating the second term, –4xD
adding 1 to both sides of the equation25
Mia jogs 3 kilometers in 20 minutes. There are about 0.6 miles in a kilometer. What is Mia’s approximate speed in miles per minute?
A
0.25 miles per minuteB
0.09 miles per minuteC
4 miles per minuteD
11 miles per minuteDid you find these answers helpful?
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