Conics: Parabolas: Introduction (page 1 of 4) Sections: Introduction, Finding information from the equation, Finding the equation from information, Word problems & Calculators. In algebra, dealing with parabolas usually means graphing quadratics or finding the max/min points (that is, the vertices) of parabolas for quadratic word problems. In the context of conics, however, there are some additional considerations. To form a parabola according to ancient Greek definitions, you would start with a line and a point off to one side. The line is called the directrix; the point is called the focus.
However, wrapping the kink free cable is much easier than a kinked cable, which means you will be saving some time in the long run. 1  Hold the connector of the microphone cable firmly in the left hand and slowly pull the other end towards yourself with the right hand.
With right sides together, pin each sleeve into the oval opening. Align the top of the sleeve with the top of the oval, and the underarm seam with the bottom of the oval. Sew or serge, easing the extra fabric at the cap. Lightly press and turn. 3 Hem all edges.Press up a 1 â 2 -inch hem allowance on all edges of the rectangle and on the sleeves.ay a tape measure around your neck, and determine how long you want the cardi-wrap to fall in the front. This establishes the length of the rectangle. You can also adjust the width of the rectangle to fit your figure. 2 Across back. Ask a friend to measure your back across the shoulder blades from arm to arm.