4.1 Practice A + 4.2 Practice B

4.1 Practice A + 4.2 Practice B

Worksheets

​Do your work for the following problems on WS 4.1 Practice A in the Worksheet Packet.

​(1st page of the Worksheet Packet)

Multiple Choice

#1. ​Write an equation of the line with the given slope and y-intercept.

• y = 8x + 3

• y = 3x + 8

• y - 8 = 3(x-8)

Multiple Choice

#2. ​Write an equation of the line with the given slope and y-intercept.

• y = -4

• y = x -4

• y = -4x

• y = -4(x-0)

Multiple Choice

#3. ​Write an equation of the line with the given slope and y-intercept.

• y = -2

• y = x - 2

• y = -2x

• y = 0(x-2)

​Write an equation of the line in

slope-intercept form.

​​(Do they give you the y-intercept??)

​

​CLICK NEXT WHEN YOU ARE READY TO ANSWER THE QUESTION. YOU HAVE 30 SECONDS TO SELECT THE CORRECT ANSWER.

Multiple Choice

4. ​Write an equation of the line in

slope-intercept form.

• y = -2x + 3

• y = 1/2x + 3

•  y = -1/2 x + 3

• y = 2x + 3

​Write an equation of the line in

slope-intercept form

​(Do they give you the y-intercept??)

​

​​CLICK NEXT WHEN YOU ARE READY TO ANSWER THE QUESTION. YOU HAVE 30 SECONDS TO SELECT THE CORRECT ANSWER.

Multiple Choice

​6. Write an equation of the line in

slope-intercept form.

• y = 3/2x

• y = 2/3x

• y = -3x -2

• y = 2x - 3

​9. Write an equation of the line in slope- intercept form that passes through the given points.

​

​Do they give you the y-intercept?

Multiple Choice

9. Write an equation of the line in slope- intercept form that passes through the given points.

• y = -2

• y = -2x

• y = -4/5 x - 2

• x = -2

​11. Write a linear function f with the given values (in slope-intercept form).

​Hint:

​1. Find the ordered pairs.

​2. Find the slope and y-intercept... Do they give you the y-intercept?

​3. Write the equation in slope-intercept form.

Fill in the Blank

11. Type your answer in slope-intercept form (starting with y=) with NO spaces.

​13. Write a linear function f with the given values (in slope-intercept form).

​Hint:

​1. Find the ordered pairs.

​2. Find the slope and y-intercept... Do they give you the y-intercept?

​3. Write the equation in slope-intercept form.

Fill in the Blank

13. Type your answer in slope-intercept form (starting with y=) with NO spaces.

​14. Do Parts a and b on your paper.

​Prepare to type in your answers on the next 2 slides.

Fill in the Blank

14a. Write your equation in slope-intercept form.

NO SPACES

Fill in the Blank

14b. Type the number. Include a label.

​Do your work for the following problems on WS 4.2 Practice B in the Worksheet Packet.

​(6th page of the Worksheet Packet)

​2. Given the graph of a linear function… check all that apply. You should have 1 answer in point slope-form, 1 answer in slope-intercept form, and 1 answer in standard form.

Multiple Select

2. Given the graph of a linear function… check all that apply. You should have 1 answer in point slope-form, 1 answer in slope-intercept form, and 1 answer in standard form.

• y - 0 = -5/2 (x-50)

• y - 50 = -5/2 (x-0)

• y = -5/2 x + 125

• y = -5/2 x + 50

• 5x + 2y = 100

Fill in the Blank

4. Write an equation of the line in slope-intercept form. Do NOT type spaces.

​Write an equation in of the line that passes through these points in:

​1. Point-Slope form

​2. Slope-Intercept form

​3. Standard form

Multiple Choice

5. Write an equation of the line in POINT-SLOPE form.

• y - 18 = (-2/7) x + 16

• y - 18 = (-2/7) (x + 7)

• y - 18 = (-2/7) (x - 7)

• y + 14 = (-2/7) (x + 7)

Multiple Choice

5. Write an equation of the line in SLOPE-INTERCEPT form.

• y = (-2/7) x + 16

• y = (-7/2) x + 16

• y = (-2/7) x + 18

• y = (-2/7) x + 14

Multiple Choice

5. Write an equation of the line in STANDARD form.

• (2/7) x + y = 16

• -(2/7) x + y = 16

• 2x + 7y = 16

• 2x + 7y = 112

​Write a linear function f (in SLOPE-INTERCEPT form) with the given values.

​HINTS:

​1. Find your ordered pairs.

​2. Do they give you the y-intercept? If yes, go straight to slope-intercept form. If no, do point-slope form first.

​3. Solve for y to get slope-intercept form.

Multiple Choice

7. Write a linear function in SLOPE-INTERCEPT FORM.

• y = (3/7) x + (13/7)

• y = (7/3) x + (17/3)

• y = (-3/7) x + 1

• y = (-7/3) x + 7

• y

Fill in the Blank

8. Write a linear function in SLOPE-INTERCEPT FORM. Do NOT type any spaces.

​9. Is this data table a linear function? Explain.

​

​If yes, write a linear equation in slope-intercept form.

Multiple Choice

9. Is this data table a linear function?

• Yes

• No

Multiple Choice

9. Write the linear equation in slope-intercept form.

• y = 3.5x + 3.5

• y = -2x + 3.5

• y = -1/2 x + 3.5

• y = 1/2 x + 3.5

​11.

​

Multiple Choice

11a. What is the slope of the line?

• 5/4

• 2

• -8

Open Ended

11a. Interpret the slope in the context of the situation.

Multiple Choice

11b. Write the equation as a linear function (in SLOPE-INTERCEPT form).

• y -2 = (5/4) (x + 10)

• y = (5/4) x + 12

• y = (5/4) x + 10

Fill in the Blank

11c. Use the linear function (in SLOPE-INTERCEPT FORM) in part (b) to determine the base cost of making your own juice.

​12.

Multiple Choice

12a. Write an equation that represents that total cost (in dollars) of renting a paddle board as a function of the number of half-days.

• y = 50x + 20

• y = 20x + 50

• y - 50 = x + 20

Fill in the Blank

12b. Find the total coast of renting a paddle board for 7 half-days.