Answer:
x^2 - 6x - 55 = 0
using calculator apply mode 5 3 and write nmbrs
1 , -6 , -55
answers must be 11 and -5
Outliers can affect the slope of a line of best fit.
Step-by-step explanation:
Outliers are observed data points which are far from the least-squares line.They contain large errors.They occur as a result of incorrect data.Outliers have a big effect on the slope of a regression line.
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Outliers :brainly.com/question/11163452
Keywords: Outliers, effect, line of best fit, least squares method
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Answer:
x ≤ 7/2
Step-by-step explanation:
Expand brackets: 3x - 15 ≤ x - 8
Subtract x from both sides: 2x - 15 ≤ -8
Add 15 to both sides: 2x ≤ 7
Divide both sides by 2: x ≤ 7/2
Answer:
First one, Third one, Fifth one, and the last one too.
Step-by-step explanation:
Answer:
1/7
Step-by-step explanation:
Formula for 2 perpendicular lines: m1 * m2 = -1,
where m1 is gradient of 1st line and m2 is gradient of 2nd line
Application:
-7 * m2 = -1
m2 = 1/7
