Alg 2 Exam 2 (Chapter 2 Test)

• undefined (no slope)

Drag and drop the correct answers into their locations.

The table shows the relationship between the number of phone calls made and the number of tickets sold during a fundraising campaign by six callers.

a) The independent variable is ​ (a)   .

b) The dependent variable is ​ (b)  

.

c) The SLOPE of the regression line is

​ (c)   .

d) The Y-INTERCEPT of the regression line is​ ​ (d)  

• number of calls made
• number of tickets sold

Tags

CCSS.8.EE.B.5

Use the dropdowns to complete the sentences.

Suppose the data for the number of absences for Mr. Steckler's classes and the week of school is provided in the table and scatterplot.

PRED means "predicted".

INCR means "increases".

DECR means "decreases".

POS means "positive".

NEG means "negative".

REL means "relationship".

VAR means "variables".

a) What is the meaning of the SLOPE of the regression line?​ (a)  

b) What is the meaning of the Y-INTERCEPT of the regression line?​ (b)  

c) What is the meaning of the CORRELATION COEFFICIENT?​ (c)   ​

d) What is the predicted number of absences for week 3 using the regression line?​ (d)  

• Every week, the PRED absences INCR by 3.423.
• Every week, the PRED absences DECR by 1.154.
• At week 0, the PRED absences was -1.154.
• At week 0, the PRED absences was 3.423.
• There is a strong, POS REL between the VAR.
• There is a moderate, POS REL between the VAR.

Tags

CCSS.HSF.LE.B.5

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Tags

CCSS.HSF-IF.C.7B

Tags

CCSS.HSF-IF.C.7B

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Consider the transformation equation provided in the image.

Match each transformation with its correct parameter.

• translation LEFT

• 
• translation UP

• 
• translation DOWN

• 
• translation RIGHT

• 

Tags

CCSS.HSF.BF.B.3

• 8 left,vertical shrink,reflection x-axis,3 down
• 8 right,vertical shrink,reflection x-axis,3 up

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6