What are the y-intercept and the slope of the line represented in the graph?
2 answers:
Answer:
B
Explanation:
The y intercept can be read directly off of the graph, and is where the line intersects the y of the graph.
The slope (gradient) can be determined by using the equation y=mx+c, where we can substitute in the y intercept and an x and y value on the line.
y=mx+4
(2;0) is a point on the line, it is the coordinates of the x intercept (y intercept will work as well)
0=m(2)+4
m=-2
Answer:
B
Step-by-step explanation:
Intercept at y-axis = 4
Slope m = (y2- y1)/(x2-x1)
From the gragh:
y2 = -2 , x2 = 3, y1 = 2 , x1 = 1
m = {-2 - 2}/{3 - 1}
m = -4/2 = -2
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Expand the numerator as
Then in the limit,
Answer:
A. 3.66 feet
Step-by-step explanation:
Using trigonometry, we know that ...
BC = DC·tan(30°)
AC = DC·tan(45°)
AB = AC -BC = DC(tan(45°) -tan(30°))
AB = 5√3·(1 -√3/3) = 5(√3 -1)
AB ≈ 3.66 . . . feet
Answer:
82% decrease
Step-by-step explanation:
[(900 - 5000)/5000] 100
(-41/50) 100
= - 82%
( ' - ' indicates decrease)
8x - 2 = 30
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