SOLUTION: At Computer Central, the cost of renting a computer is $45 plus $35 per day. The total cost can be represented by the equation y = 45 + 35x, where x is the number of days for whic

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: At Computer Central, the cost of renting a computer is $45 plus $35 per day. The total cost can be represented by the equation y = 45 + 35x, where x is the number of days for whic      Log On


   

Question 948924: At Computer Central, the cost of renting a computer is $45 plus $35 per day. The total cost can be represented by the equation y = 45 + 35x, where x is the number of days for which the computer has been rented and y is the total cost of renting the computer. What is the y-intercept of this equation?
Found 2 solutions by Zucchini, macston:
Answer by Zucchini(70) About Me  (Show Source):
You can put this solution on YOUR website!
45 because there are no variables attached to it (no x or y).

Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
y = 45 + 35x
Using commutative property of addition:
y=35x+45
This is slope intercept form:
y=mx+b, where b=value of y at the y-intercept.
By definition, the value of x at the y-intercept is 0, so the y-intercept is at the point (0,45)