Interpret slope, intercept, and parameters
Linear functions and graphs · Stage 3
Recognize the pattern
Interpret coefficients using the units of the variables.
Useful ruley=mx+b in context
Try it before reading the solution
In P = 50 + 7t, what does 7 mean if t is hours?
This teaching example is original and is not an official SAT question.
Reasoning
Increasing t by 1 raises P by 7; 50 is the starting value.
AnswerThe amount increases by 7 per hour.
03 · Next step
See membership →Ready for adaptive practice
Practice questions remain in English, as on the SAT.