Question

I thought the answer was B). MEDAL!!

Answer 1

Up and Running Auto Shop is tracking their regular customers' data to see if there is a relationship between the life of a car's engine and the number of times the oil is changed. The equation for the line of best fit for the data shown on the scatter plot is y = .4125x + .1576. What does .1576 represent in the equation?

Answer 2

A) .1576 represents the expected longevity of the engine before any oil changes.
B) .1576 represents the expected longevity of the engine with one oil change.
C) .1576 represents the expected longevity increase of the engine each time the oil is changed.
D) .1576 represents the expected longevity of the engine each time the car is driven.

Answer 3

Nope.

Answer 4

oh well what are your thoughts?

Answer 5

.1576 is called the y-intercept, right?

Answer 6

correct

Answer 7

What is the definition of the y-intercept?

Answer 8

The starting point

Answer 9

the slope is the consistancy in a way i believe

Answer 10

Which "point"?

Answer 11

Yes, exactly.

So, what are the coordinates of that point?

Answer 12

I dont know the coordinates because they werent given

Answer 13

But the equation gives ALL the coordinates :-)

Answer 14

WAIT so the answer is B

Answer 15

i mean A

Answer 16

.1576 represents the expected longevity of the engine BEFORE any oil changes.

Answer 17

Yes.

Answer 18

Alright thank you so much

Answer 19

Thanks for trying to understand for yourself.

Answer 20

sure