Coefficient 81704
In the equation of the line p: ax-2y+1=0, determine the coefficient a so that the line p:
a) it formed an angle of 120° with the positive direction of the x-axis,
b) passed through point A[3,-2],
c) was parallel to the x-axis,
d) had a direction of k = 4.
a) it formed an angle of 120° with the positive direction of the x-axis,
b) passed through point A[3,-2],
c) was parallel to the x-axis,
d) had a direction of k = 4.
Correct answer:

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Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?
See also our trigonometric triangle calculator.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.
You need to know the following knowledge to solve this word math problem:
- geometry
- analytic geometry
- line
- algebra
- equation
- expression of a variable from the formula
- planimetrics
- triangle
- goniometry and trigonometry
- tangent
Units of physical quantities:
Grade of the word problem:
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