Slope Intercept Form Word Problems Graphs

A man is climbing down from 100 feet high descending 30 feet per minute.

Which equation represents this situation?

• y = 100 - 30x

• y = 100 + 30x

• y = 100x + 30

• y = 100x - 30

What is the letter that represents slope?

• y

• b

• m

• x

How would you write the equation with a slope of -3 and a y-intercept of 1

• y= -3x + 1

• y= -x - 3

• y= -3x - 1

• y= x + 3

What would the slope of the line be?

• Positive

• Negative

• 0

• Undefined

What kind of slope does the line have?

• Positive

• Negative

• 0

• Undefined

Which letter represents the y-intercept?

• y

• m

• x

• b

Jackson started with $800 in his savings account, but has to pay $30 a month for his electricity bill. Write an equation that relates his savings, y, to the amount of months, x.

• y = -30x + 800

• y = 30x - 800

• y = -30x

• y = 12x - 30

Stephanie owes her mom $80 for a recent trip to the mall. She plans to payback $15 a month until it is paid back. Write an equation in slope-intercept form that relates the amount she owes, y, to the amount of months, x.

• y = 15x - 80

• y = 15x + 80

• y = -15x + 80

• y = -15x - 80

What is the equation for the table above?

• y = -3x + 20

• y = 3x + 20

• y = -1/3x + 20

• y = 6x - 2

Find the equation of the line in slope-intercept form.

• y = - 1/4x - 3

• y = 1/3x + 3

• y = - 1/4x + 2

• y = 1/3x -3