Embedded Files
Agenda
Agenda
Do Now (5-10 minutes)
Do Now (5-10 minutes)
Gradients and Equations of Straight lines (15 minutes)
Gradients and Equations of Straight lines (15 minutes)
Desmos Activity (10 Minutes)
Desmos Activity (10 Minutes)
Closure and Review (10 Minutes)
Closure and Review (10 Minutes)
Activity
Activity
Graph the following 5 lines, that pass through the pair of points, on Desmos (or graph Paper if you have), labeling them A-E. Find the gradient of the lines.
Graph the following 5 lines, that pass through the pair of points, on Desmos (or graph Paper if you have), labeling them A-E. Find the gradient of the lines.
(A) (3, 7) and (-1, 4)
(B) (3, 7) and (3,4)
(C) (-1, 4) and (3, 4)
(d) (1, 1) and (3, 5)
(e) (-4, -5) and (-1, 1)
Review Work
Review Work
(A) (3, 7) and (-1, 4)
(7-4)/(3-(-1)) = 3/4 or (4-7)/(-1-3) = -3/-4 = 3/4
(B) (3, 7) and (3,4)
(7-4)/(3-3)=3/0 = undefined
(C) (-1, 4) and (3, 4)
(4-4)/(-1-3) = 0/-4 = 0
(d) (1, 1) and (3, 5)
(1-5)/(1-3) = -4/-2 = 2
(e) (-4, -5) and (-1, 1)
(-5-1)/(-4 -(-1)) = -6/-3 = 2
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