carmenala2

24.05.2021 • 

Mathematics

The following dot plots describe the test scores on Mr. Santos’s final exam. Second period class is represented on a number line where the numbers fifty five to ninety five are ploted at intervals of five. There is one bullet each plotted above fifty five, seventy, and ninety five. Six bullets each are plotted above seventy five and eighty. Two bullets are plotted above eighty five and three bullets are plotted above ninety. Sixth period class is represented on a number line where the numbers fifty five to ninety five are ploted at intervals of five. There is one bullet plotted above sixty five and two bullets above ninety five. Three bullets each are plotted above seventy five and ninety, five bullets above eighty, and six bullets are plotted above eighty five. Form a valid inference based on the means of the data sets. Use the drop-down menu to show your answer. On average, students in the sixth-period class scored as compared to students in the second-period class.

Ответ:

PastyMexican24

21.08.2022

Mathematics

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y = -3x + -4

Step-by-step explanation:

y = mx + b

to find the y-intercept we need to add or subtract (in this case it's add) a number to x to get to 0.

x = -1.

to get to 0, you need to add one

do that same thing to y

therefore the y-intercept (or b) is negative 4.

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