For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

D: {1, -3, -4,} R: {0, 1, 2, -4}

D:{0, 1, 2, 3, 4} R:{1, -3, -4}

Does this mapping diagram represent a function?

Yes, because there are no repeating input values

No, because there are repeating input values

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

The more books students read, the higher their English grade.

The more books students read, the lower their English grade.

The fewer books students read, the higher their English grade.

No relationship exists between the number of books students read and their English grades.

The linear regression equation for the data is y = 1.5x + 12. Interpret the slope of the equation.

The slope is 1.5. It means that it costs $1.50 per topping.

The slope is (0, 1.5). It means that a pizza with 0 toppings will cost $1.50.

Data was collected on the weight of a male laboratory rat for the first 25 weeks after its birth. The linear regression equation is y= 40x+100, where x is number of weeks and y is weight in grams. What does the y-intercept mean in context of the problem?

The predicted weight of the rat at birth.

The predicted weight of the rat in year 0.

The average increase in the rat's weight.

The linear regression equation is y = 61.93x - 1.79. According to the equation, the y-intercept can be interpreted as:

After 0 hours of driving, they went -1.79 miles.

They are driving -1.79 miles per hour.

The linear regression equation is y = 61.93x - 1.79. According to the model, the slope can be interpreted as:

They drove at a speed of 61.93 miles per hour.

After 0 hours of driving, they went 61.93 miles.

Are the points on the boundary line part of the solution set or not?

Yes, they are part of the solution set

No, they are NOT part of the solution set

Unit 3 Linear Functions

Mathematics

9th - 12th Grade

CCSS covered

Used 18+ times

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58 questions

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A line contains the points (4, 3) and (19, −2). What is the slope of the line?

m = -1

m = -3

m = - 1/3

m = 1/3

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the slope of the line that passes through (10, -8) and (1, 12).

20/9

-20/9

4/9

9/4

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Write the equation for the line in slope-intercept form.

y= -1x+3

y= 4x+3

y=1/4x+3

y= -4x+3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the equation of this line?

y = 2x +2

y = 2x -2

y = -x + 2

Cannot be Determined

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the slope.

3/2

-3/2

(-0,-3)

y= -3

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the rate of change for the following graph?

160

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

200

150

300

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

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Unit 3 Linear Functions

A line contains the points (4, 3) and (19, −2). What is the slope of the line?

Find the slope of the line that passes through (10, -8) and (1, 12).

Write the equation for the line in slope-intercept form.

What is the equation of this line?

Find the slope.

What is the rate of change for the following graph?

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

Find the slope from the table.

Find the slope of the line.

Find the slope of the line.

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