MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_01C9125F.A5302A00" This document is a Single File Web Page, also known as a Web Archive file. If you are seeing this message, your browser or editor doesn't support Web Archive files. Please download a browser that supports Web Archive, such as Microsoft Internet Explorer. ------=_NextPart_01C9125F.A5302A00 Content-Location: file:///C:/5D65A114/LinQuadWorksheet.htm Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii" Math 121 Worksheet

Math 121 Worksheet

 

   &nbs= p;        Name:

 

Solve each equation.

 

= 1.     

 

 

 

= 2.      |3x-1| + 4 =3D 12

 

 

 

= 3.      The number of miles that remain to be flown by a commercial jet traveling from = Boston to Los Angeles can be approximated by the equation

 

Miles remaining =3D 2650 &= #8211; 475t

 

      where t is the number of hours since lea= ving Boston. A plane le= ft Boston at 8 am. At= what

      time will = the flight be 1000 miles from Los = Angeles?

 

 

 

 

= 4.      What makes an equation quadratic?

 

 

 

 

   &nbs= p;        Solve each equation.

 

= 5.      (2x-3)2 =3D 24

 

 

 

 

 

= 6.      2x2 =3D 8x

 

 

 

 

 

 

over

 

= 7.      x2 +5x =3D 2

 

 

 

 

 

 

= 8.      5x2 + 90 =3D 0

 

 

 

 

 

 

= 9.      An object is thrown down from the top of a building with an initial velocity o= f 32 feet per second. The distance s = (in feet) of the object from the ground after t seconds is

 

 s =3D 1280-32t-16t2.

 

What is the height of the b= all after 4 seconds?  __________

 

 

 

 

When will the object strike= the ground?  _________

 

 

 

 

 

How tall is the building?  __________

 

 

 

 

 

 

= 10.  Solve= and graph the solution.    =        |7-3x| < 4

 

 

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