How to solve
A wrong graph usually flips the slope sign, moves the intercept, or both. Check steepness/direction and the y-intercept.
Steps
- From the equation, note m and b.
- Find the graph that crosses the y-axis at b.
- Confirm the tilt matches m (positive slopes rise left→right).
Example
y = 2x − 1
- y-intercept −1.
- Slope 2 (steep up).
Answer: the matching choice letter
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