Point A is located at (2, -5). After it is translated, point A' is located at (-4, -5). What was the translation?
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Answer:
The slope of the line is ⇒ B
Step-by-step explanation:
Let us revise the rule of the slope
The rule of the slope of the line is m = , where
- (x1, y1) and (x2, y2) are two points lie on the line
∵ The line passes through the point (-3, 1) and point (4, -2)
→ That means one of them is (x1, y1) and the other is (x2, y2)
∴ x1 = -3 and y1 = 1
∴ x2 = 4 and y2 = -2
→ Substitute them in the rule of the slope above to find it
∵ m = =
∴ m =
∴ The slope of the line is