Writing Linear Equations

What letter represents the slope of a line in the equation y = mx + b?

• y
• m
• x
• b

What does the "b" stand for in y=mx+b?

• slope
• x-intercept
• y-intercept

Identify the slope and y-intercept of:
y = 1/2x - 1

• slope: 1/2   y-intercept:  -1 
• slope: 2/1   y-intercept:  -1
• slope: 3   y-intercept:  -3 
• slope: 2  y-intercept:  5 

Which equation matches the table?

• y = x + 5
• y = 5x
• y = x - 5
• x = y - 5

Tags

CCSS.6.EE.C.9

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5
• y=1/5x+5
• y=15x+5
• y=10x+5

Which equation matches the table below?

• y = 3x + 6
• y = -3x + 6
• y = 3x - 6
• y = -3x - 6

What is the equation of the line graphed here?

• y = -x - 2
• y = -2x - 2
• y = x - 2
• y = 2x - 2

Write the an equation for the graph shown.

• y =-1/2 x -2

• y = 1/2x +1

• y = 1/2x + 2

• y = -1/2x - 2

Sandra has a $20 itunes gift card and spends $3 each month. Write an equation for the situation.

• y = 3x + 20

• y = 3 + 20x

• y = -3x + 20

• y = -20x + 3

Donovan is saving $20 a month for a new ipad.  He has already saved $150.  Which equation will help you find the total amount of money he will have after x months.

• y = 50x + 100
• y = 150x + 20
• y = 150x
• y = 20x + 150