Slope Y Intercept Tables and Word Problems

What is y-intercept?

• 7

• 2

• 8

• 3

What is the slope formula for this word problem?

• y = 2x + 10

• y = 10x + 2

• y = 2x

• y = 10x

What is the y-intercept formula?

• y = 300x + 5

• y = 5x - 300

• y = 300 - 5x

• y = 5x + 300

What is the equation of a line with a slope of 4 and a y-intercept of 2?

• y = -4x + 2

• y = -2x + 4

• y = 4x + 2

• y = 2x + 4

• -2

• 3

• 5

• Cannot be Determined

• slope: 5  

  y-intercept: 3/2 

• slope: 3/2  

  y-intercept: 3 

• slope:  4  

  y-intercept: 3/2

• slope: 1/5  

  y-intercept: 5 

Which of these lines has a slope of -3?

Click on the picture to zoom in.

• A

• B

• C

• D

Which equation represents the line in slope-intercept form?

• y = - 1/4x - 3

• y = 1/3x + 3

• y = - 1/4x + 2

• y = 1/3x -3

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

• y = 15x + 80

• y = -15x + 80

• y = -15x - 80