Problem 25 of 34fun-025
In the standard coordinate plane, the graph of the linear function has slope and passes through the point . Which equation defines ?
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Solution walkthrough1:44
- A linear function is : is the slope, is the -intercept. Here .
- The line passes through , so . Put and into .
- , so . Add to both sides: . So .
- Check on the graph: from , each step left goes up. Three steps reach .
- Traps: and use a coordinate of the point as , and comes from .