Slope Intercept Form

Finding Slope

100

What is the equation for slope

m = (y₂-y₁)/(x₂-x₁)

200

Find the slope of the line between the following two points. (2,4), (6, 6)

m = 1/2

300

Find the slope of the line between the following two points. (-5, -1), (-1, -9)

m = -2

400

Find the slope of the line between the following two points. (6, 3), (6, -6)

Undefined

500

Find the slope of the line between the following two points. (2, 4), (5, 4)

m = 0

Slope and Y-Intercept

100

What is the equation for Slope intercept form

y=mx+b

200

Determine the slope and y-intercept of the following equation. y = 3x +5

m=3 b=5

300

Determine the slope and y-intercept of the following equation. y = -2x +9

m=-2 b=9

400

Determine the slope and y-intercept of the following equation. y = -x +3

m=-1 b=3

500

Determine the slope and y-intercept of the following equation. y = 3+x

m=1 b=3

Writing from a Graph

100

Write the equation in slope intercept form... http://www.algebrahelp.com/worksheets/cache/graph_10031_a.png

y = x + 2

200

Write the equation in slope intercept form... http://mathbitsnotebook.com/Algebra1/LinearEquations/Eprac1.gif

y = -(3/2)x + 3

300

Write the equation in slope intercept form... http://mathedu12.site40.net/images/liner-equate-2_2%20.jpg

y = (3/2)x + 3

400

Write the equation in slope intercept form... http://www.mathscore.com/math/free/lessons/mathTips/graphsToLinEquations.gif

y = -(3/4)x + 4

500

Write the equation in slope intercept form... http://2012books.lardbucket.org/books/beginning-algebra/section_06/b2039f08e802ed741940d13edfd79cbf.jpg

 y= 2

Word Problems

100

Write an equation in slope intercept form that has a slope of 1/2 and is a proportional relationship.

What is y= (1/2)x

200

Write an equation in slope-intercept form that would represent a graph with a slope of -2 that goes through the point (1,2).

What is y= -2x + 4

300

When Mr. Cresci was 1 year old he weighed 30 pounds (he was a chubster), and when he was 7 years old he was 72 pounds. Write a linear equation in slope-intercept form to represent the situation.  Identify the slope and y intercept and interpret their meanings (include units)

What is y= 7x + 23

m = 7, he is gaining 7 lbs per year

b = (0, 23) he weighed 23 lbs at birth 

***clearly this is not a realistic model!!!!

400

An office that is 600 square feet cost $750. An office that is 900 square feet cost $1150. Write an equation in slope-intercept form for the cost of an office of any size.  Then, find the cost for an office with 2000 square feet of area.

What is y = (4/3)x - 50

$2616.67

500

If John works 2.5 hours he makes $37.50. If John works 7 hours he makes $105. Write an equation in slope-intercept form for the amount of money John makes.

Slope = 15 What is y = 15x

Two points

100

Use the following to write your equation in slope intercept form. (-1, -1), (1, 5)

y=3x + 2

200

Use the following to write your equation in slope intercept form. (2, 4), (5, -2)

y= -2x + 8

300

Use the following to write your equation in slope intercept form. (-3, 0), (6,3)

y=1/3x + 1

400

Use the following to write your equation in slope intercept form. (-2, 3), (2,7)

y=x+5

500

Use the following to write your equation in slope intercept form. (4, 1), (8,2)

y=1/4x