Gradient and Equation of a Line — Solutions
Click any answer to watch the solution video.
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Calculate gradients
- (1,3) and (3,7):
- (0,5) and (4,13):
- (2,8) and (6,4):
- (−1,2) and (3,10):
- (0,0) and (5,15):
- (−3,4) and (1,−4):
- (2,−1) and (2,6):
- (−4,3) and (2,3):
- (3,5) and (7,13):
- (−2,−5) and (4,7):
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Gradient types
- m = 4:
- m = −2:
- m = 0:
- Undefined:
- m = ½:
- m = −5:
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Equation from gradient and point
- m=2, (1,5):
- m=−3, (2,4):
- m=4, (0,−7):
- m=½, (4,3):
- m=−1, (−2,6):
- m=5, (3,0):
- m=−2, (0,8):
- m=¾, (4,5):
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Interpret gradient in context
- C = 12t + 25, gradient 12:
- Ramp gradient 0.15:
- Diver through (0,0) and (5,−20):
- Horizontal line through (0,4):
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Order by steepness
- Line A,B,C:
- Line P,Q,R:
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Problem solving
- Road gradient:
- Find k for m=2, (k,3) and (4,11):
- Gradient 3 through midpoint of (0,2) and (4,8):
- Vertical and horizontal through (5,−3):
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Equation from gradient and point
- m=2, (1,5):
- m=−3, (2,4):
- m=4, (0,−7):
- m=½, (4,3):
- m=−1, (−2,6):
- m=5, (3,0):
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Order by steepness
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Problem solving with gradient
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Equations in context