Answer:
p=5
Step-by-step explanation:
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Answer:
B. The x-intercept of function A is less than that of function B.
Step-by-step explanation:
Both functions have y-intercepts of -1. Function A has a slope of 2, while function B has a slope of 1. Since Function A has a steeper slope, its x-intercept will be closer to x=0 than that of Function B.
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The x-intercept of Function B is given as (1, 0). The x-intercept of Function A can be found by solving for x when y=0:
... 0 = 2x -1
... 0 = x - 1/2 . . . . divide by 2
... 1/2 = x . . . . . . . the x-intercept is (1/2, 0), so is less than (1, 0)
Line a and b are parallel
Answer:
(5, - 6 )
Step-by-step explanation:
Given the 2 equations
- 8x - 10y = 20 → (1)
- 8x - 6y = - 4 → (2)
Multiply (2) by - 1
8x + 6y = 4 → (3)
Add (1) and (3) term by term to eliminate the x- term, that is
- 4y = 24 ( divide both sides by - 4 )
y = - 6
Substitute y = - 6 into either of the 2 equations and solve for x
Substituting into (1)
- 8x - 10(- 6) = 20
- 8x + 60 = 20 ( subtract 60 from both sides )
- 8x = - 40 ( divide both sides by - 8 )
x = 5
solution is (5, - 6 )
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