STAAR Slope

The linear equation y = 35x + 75 can be used to find the total cost y in dollars that a repairman charges for his services.  Which statement about the repairman's charges is true?

• The repairman charges a flat rate fee of $35 for his services

• The repairman charges a flat rate fee of $110 for his services

• The repairman charges a $35 service fee, plus $75 per hour

• The repairman charges a $75 service fee, plus $35 per hour

How would you write the equation with a slope of 2/3 and a y-intercept of -3

• y=3/2x+3

• y=2/3-3

• y=2/3x-3

Which equation represents slope intercept form?

• y=5+2x

• 5y=x+5

• y=2x+5

• 4y+2x=8

Write the equation of the line.

• y=3/5x+1

• y=3/5x-1

• y=5/3x+1

• y=3/5x+1

Identify the slope and y-intercept of:
y = 1/5x + 5

• slope: 1/6   y-intercept:  4 

• slope: 1/5   y-intercept:  5 

• slope: 5/1   y-intercept:  5 

• slope: 1   y-intercept:  5 

Find the slope of the line that passes through
(10, 1) and (5, 2)

• 1/5

• -1/5

• 5

• -5

Slope-intercept form is y = mx + b; m = ____________

• slope

• y-intercept

• dependent

• independent

Slope-intercept form is y = mx + b; b = ____________

• slope

• y-intercept

• dependent

• independent

What is the slope-intercept formula?

• k = ^y/_x

• x = my + b

• y = mx + b

• m = ^Δy/_Δx