Answered

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A movie club is having a new-member sale, so Mindy signs up. The equation
-0.4x + 0.05y - 1.25 = 0 relates y, the total cost, and x, the number of
months. What is the y-intercept of the line represented by the equation?
A -1.25
B 0.05
c 8
D 25
Greg chose c as the correct answer.how might he have gotten the answer

Sagot :

Answer:

D is the correct choice

Step-by-step explanation:

To get the y-intercept, we write the equation in the standard form

The standard form is ;

y = mx + b

So we have to rewrite the equation this very form

Thus, we have that;

0.05y = 0.4x + 1.25

we simply isolate the y value

To do this, we divide through by 0.05 and the y-intercept value will be ;

1.25/0.05 = 25

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