DIRECTION: A, find the slope of the line given the following pair of points.
1. (3, 8) and (5, 11)
2. (-8, 3) and (-6,-4)
B. Find the slope of the following linear equation.
1. 2x+10y = 15
2. 7x + 14y = 21
1. (3, 8) and (5, 11)
2. (-8, 3) and (-6,-4)
B. Find the slope of the following linear equation.
1. 2x+10y = 15
2. 7x + 14y = 21
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Answer:
A. 1. 3/2 2. -7/2
B. 1. -1/5 2. -1/2
Step-by-step explanation:
A.
1. m=Δy/Δx=(y₂-y₁)/(x₂-x₁)=(11-8)/(5-3)=3/2
2. m=Δy/Δx=(y₂-y₁)/(x₂-x₁)=(-4-3)/[-6-(-8)]=-7/2
B.
1. by transforming the equation to slope intercept form (
):
∴
2. by transforming the equation to slope intercept form (
):
∴
space provided.
1. (3, 7) and (5, 5) __________________________
2. (-1, 4) and (4, -3) __________________________
3. y = 3x + 4 __________________________
4. 2x – 4y = 3 __________________________
5. 7x – 14y = 21