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  1. Fixing or choosing the x-axis determines the y-axis up to direction. Namely, the y-axis is necessarily the perpendicular to the x-axis through the point marked 0 on the x-axis. But there is a choice of which of the two half lines on the perpendicular to designate as positive and which as negative.

  2. Question 3: For a linear equation y = 2x + 6, find the point where the straight line meets y-axis on the graph. Answer: On y-axis, the x-coordinate of the point is 0. Therefore, we can find the intersection point of y-axis and y = 2x + 6 by simply putting the value of x as 0 and finding the value of y. y = 2(0)+6 = 0 + 6 = 6.

  3. www.math.net › cosineCosine - Math

    In this graph, we can see that y = cos⁡(x) exhibits y-axis symmetry; reflecting the cosine graph across the y-axis produces the same graph. This confirms that cosine is an even function, since cos⁡(x)=cos⁡(-x). General cosine equation. The general form of the cosine function is. y = A·cos(B(x - C)) + D. where A, B, C, and D are constants.

  4. Definition of Intercept. The point where the line or curve crosses the axis of the graph is called intercept. If a point crosses the x-axis, then it is called the x-intercept. If a point crosses the y-axis, then it is called the y-intercept. The meaning of intercept of a line is the point at which it intersects either the x-axis or y-axis.

  5. Multiplying these distances times the scale factor, 4, means our new point must be 12 horizontal (x-axis) units from the center of dilation, and 8 vertical (y-axis) units from the same center of dilation, at (13, 11). You can check this by drawing a line from the center of dilation through the preimage point.

  6. en.wikipedia.org › wiki › ParabolaParabola - Wikipedia

    The presumption that the axis is parallel to the y axis allows one to consider a parabola as the graph of a polynomial of degree 2, and conversely: the graph of an arbitrary polynomial of degree 2 is a parabola (see next section).

  7. 2. Equation of x-axis is y = 0. (Because, the value of y in all the points on x-axis is zero) 3. Equation of y-axis is x = 0. (Because, the value of x in all the points on y-axis is zero) 4. Equation of a line in general form : ax + by + c = 0. 4. Equation of a line in standard form : ax + by = c

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