Question

What are the slope and the y-intercept of the linear function that is represented by the graph? The slope is 3, and the y-intercept is 9. The slope is 3, and the y-intercept is 12. The slope is 4, and the y-intercept is 9. The slope is 4, and the y-intercept is 12.

Answer 1

D.) The slope is 4, and the y-intercept is 12.

Explanation:

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Answer 2

The slope is 4, and the y-intercept is 12.

Explanation:

`\text{A slope}\ m=(rise)/(run)=(\Delta y)/(\Delta x)\\\\\text{Look at the picture.}\\\\m=(-4)/(-1)=4`

`\text{an y-intercept:}\\\text{Look at the second picture}\\\\for\ x=-2\to y=4\\for\ x=-1\to y=4+4=8\\for\ x=0\to y=8+4=12\\\\y-intercept=12`