Answer:
The slope is -2, the y-intercept is 12
Explanation:
![slope (m) = (y_2 - y_1)/(x_2 - x_1)](https://img.qammunity.org/2021/formulas/mathematics/high-school/jy4bnda4ako8mxmk38iev5leu61xx7e77y.png)
Chose any two coordinates pair. Let's make use of:
![(0, 12) = (x_1, y_1)](https://img.qammunity.org/2021/formulas/mathematics/high-school/hjtdnec0blodq244b68ks3btn1yhv8gks1.png)
![(3, 6) = (x_2, y_2)](https://img.qammunity.org/2021/formulas/mathematics/high-school/icefrax2akz1gctobgk3hok5strm8e71dq.png)
Thus,
![slope (m) = (6 - 12)/(3 - 0)](https://img.qammunity.org/2021/formulas/mathematics/high-school/qi2d4leg6enm8jt4ir77292py92pfufa8l.png)
![slope (m) = (-6)/(3)](https://img.qammunity.org/2021/formulas/mathematics/high-school/t9emurq9u5b5q4k7fvhobl7v75xl01lbzo.png)
![slope (m) = -2](https://img.qammunity.org/2021/formulas/mathematics/high-school/ixh14pukktld11f0d76jxlmwkas65vnf9p.png)
Using the slope-intercept equation, find the y-intercept, b, as follows:
![y = mx + b](https://img.qammunity.org/2021/formulas/mathematics/middle-school/mz6bvu74tuhpansv5wr4lvhm0e6gsu6nz7.png)
Use any coordinate pair as x and y, then solve for b.
Let's use (3, 6)
![6 = (-2)(3) + b](https://img.qammunity.org/2021/formulas/mathematics/high-school/s8ekt7chorras0j40zqvw371vqo6u01r10.png)
![6 = -6 + b](https://img.qammunity.org/2021/formulas/mathematics/high-school/66jyif29j2mayr2ev4cn0m3p9qndo2r8al.png)
Add 6 to both sides
![6 + 6 = - 6 + b + 6](https://img.qammunity.org/2021/formulas/mathematics/high-school/o15s582pk8oprd9nf7ibexmxvkx7jw59l6.png)
![12 = b](https://img.qammunity.org/2021/formulas/mathematics/high-school/yrsjiwir1w4l9c157pmsyknzccoeru410t.png)
The slope (m) of the linear function that is represented by the table is -2, while the y-intercept (b), is 12.