Answer:
Step-by-step explanation:
Graph x+4y=8 what is the x-intercept?
2 answers:
Answer:
x=8 or (8,0)
Step-by-step explanation:
The x-intercept of a function is the value of which y=0, or the coordinate points where the function crosses through the x-axis.
Observing the attached graph, you can see that the line crosses the x-axis at the point (8,0). This means that x=8 when y=0, which holds true algebraically since x+4y=8 -> 8+4(0)=8 -> 8+0=8 -> 8=8.
Therefore, the x-intercept of the function is x=8 or (8,0).
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Answer:
? = 13.6
Step-by-step explanation:
the angle between a tangent and the diameter = 90°
Then the triangle is right with legs 2 × 6 = 12 and 6.4
using Pythagoras' identity in the right triangle.
the square on the hypotenuse is equal to the sum of the squares on the legs , that is
? ² = 12² + 6.4² = 144 + 40.96 = 184.96 ( take square root of both sides )
? = = 13.6