Use slope-intercept form, y = mx + b, to find the value for the y-intercept (b) of a line that has a slope of 6 and passes through the point (3, –5).b =
Answer
A
–23
B
–14
C
21
D
33
Explanation
Substitute the slope, 6, and the point (3, −5) into y = mx + b: −5 = 6(3) + b. Since 6 × 3 = 18, subtract 18 from both sides to get b = −23, so the y-intercept is −23.
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