Focus (0,1) and directryx is y=x-2 , graph and give equation

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# Focus (0,1) and directryx is y=x-2 , graph and give equation

Please show how to solve and graph this type of problem.

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### Finding the Vertex, Focus, and Directrix of a Parabola Given ...

Home / Blog / Finding the Vertex, Focus, ... the directrix equation is y = 0 – (-1) = 1. The focus is at ... questions about its graph, such as the parabola’s ...

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### Identify the focus, directrix, and axis of symmetry of x=2y^2. Graph the equation.

This is the equation of a parabola, but it's lying on its side arms on either side of the x axis, which is the axis of symmetry, and the arms are on the positive side of x. The parabola's vertex is at the origin. The focus lies along the axis of symmetry and the directrix is a line x=-h. The rule ab

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### sketch the graph of x^2+2x+4y-15=0. give the coordinate of the focus, vertex ends of latus rectum and equation of the directrix

x^2+2x+4y-15=0 is the same as x^2+2x+1-16+4y=0. So (x+1)^2=16-4y and 4(y-4)=-(x+1)^2. This is in standard parabola form (4f(y-k)=(x-h)^2 where (h,k) is the vertex and |f| is the focal length) with vertex at (-1,4). The parabola is inverted with axis x=-1 on which lies the focus, which i

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### Focus (0,1) and directryx is y=x-2 , graph and give equation

wotz that "fokus" & "direktree" stuff????? y=x-2 is a strate line with slope=1  (angel=45 deg) Maebee yu want it tu go thru point=(0,1)????????? if so, y-intersept=1, so line formula is y=x+1

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### how do we graph this equation 3x+4y=20

how do we graph this equation 3x+4y=20 3x+4y=20 need to graph it with three points. Solve the equation for y. It will then be in slope/intercept form. 3x + 4y = 20 4y = -3x + 20 y = -3/4 x + 5 That gives us one point, the y-intercept: (0, 5) Now, choose two values for x, plug them into the equat

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### word problem please show how

Suppose that in one week, your company takes in \$2,220 in sales at one of its cell phone stores. The price breakdown per phone is as follows: Cell phone model A4: \$35 Smartphone Z20: \$50 Suppose that a total of 51 phones were sold. Set up the system of equations that needs to be solved to determine

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### Give the slope-intercept form of the equation of the line that is perpendicular to and contains (-1, 9)

Start by solving for y to get this in y=mx+b form subtract 5x from both sides 4y=-5x+4 divide by 4 y=4/5x+4/4 simplify to y=4/5x+1 Now you know that the slope of the first line is 4/5 The slope of the second line is -4/5 so the second equation is y=-4/5x+?

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### how to find slope and y-intercept of y=3x-5

Any line equation which is in the form y=m*x + b is called slope-intercept form. What that gives you is the slope is the number which is multiplied by X (called the coefficient) while the slope intercept is the Y value when X=0. So if we take your first equation: y = 3x - 5 The slope (or m)

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### Find the vertex, focus, and directrix of the conic section 2x^2+12x+16y+2=0

The equation can be divided through by 2: x^2+6x+8y+1=0; x^2+6x+9-9+1+8y=0; (x+3)^2-8+8y=0; -8(y-1)=(x+3)^2. The vertex is at (-3,1) and the curve is a parabola like an inverted U. The vertex line is x=-3, and the focus lies on this line. The properties of a parabola make the following true: (y

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### A function f(x) is graphed below. Find f(3) and f^-1 (3). f(3)=? and f^-1(3)=?

f(3)=2 and f^-1(3)=2.25 Reasoning: the line has a y coordinate of 2 for the x coordinate of 3. That gives us f(3)=2. The inverse function requires us to find the x coordinate when the y coordinate is 3. This gives us a value a bit bigger than 2. But we can find the equation of the graph. The s

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### how do i graph y=2.5x

The graph is linear (a straight line) because there are no powers of x or y (other than power of 1). You only need two points so that you can connect them by a line. Put x=0 into the equation and you get y=0. That gives you the point (0,0) or the origin where the axes meet. Now put x=4 and y becomes

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