Mathematical ReasoningCâu 42 / 120
What is the slope of the line passing through the points (1, 2) and (3, 8)?
a.2
b.3
c.4
d.6
Giải thích
Slope equals the change in y over the change in x: (8 − 2) / (3 − 1) = 6/2 = 3. Slope measures how steep a line is. A positive slope means the line rises from left to right.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
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