A line passes through the points (5, –7.5) and has a y-intercept 10.
1 answer:
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Step-by-step explanation:
The slope of the given line is -3. Since perpendicular lines have slopes that are negative reciprocals of each other, the slope of the line we need to find is 1/3.
Substituting into point slope form, we get:
y + 6 = ⅓(x+6)
Answer:
8 centimeters.
Step-by-step explanation:
Divide 3 both sides:
Multiply 4 on both sides:
8cm on the map represents 20km.