The following shows the correlation between the length of a person's handspan and how many jolly ranchers they can pick up with
one hand.
Which of the following does the data suggest?
a. strong positive
b. strong negative
c. no relation
d.weak negative
( please help)
Which of the following does the data suggest?
a. strong positive
b. strong negative
c. no relation
d.weak negative
( please help)
2 answers:
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For any polynomial, first check to see if it factors. Then you can set each factor equal to zero.
The three zeros are -1,1,3
Next plug in values in each interval between zeros to test whether its greater than 0.
Try x values: -2,0,2,4
x = -2 yields a negative result, the interval x< -1 is Not a solution.
x = 0 yields a positive result, the interval -1
x = 2 yields a negative result, the interval 1
x = 4 yields a positive result, the interval x>3 IS a solution
The three zeros are -1,1,3
Next plug in values in each interval between zeros to test whether its greater than 0.
Try x values: -2,0,2,4
x = -2 yields a negative result, the interval x< -1 is Not a solution.
x = 0 yields a positive result, the interval -1
x = 2 yields a negative result, the interval 1
x = 4 yields a positive result, the interval x>3 IS a solution