Slope and y-intercept together
In y = mx + b, m is the slope and b is the y-intercept. For the x-intercept, set y = 0 and solve for x.
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Find the slope and the y-intercept of y = 2x + 5. Write them like 2, -5.
Answer: 2, 5
Find the slope and the y-intercept of y = −5x + 1. Write them like 2, -5.
Answer: -5, 1
Find the slope and the y-intercept of y = 7x − 11. Write them like 2, -5.
Answer: 7, -11
Tip: In y = mx + b, m is the slope and b is the y-intercept. For the x-intercept, set y = 0 and solve for x.
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