The Facts On File Algebra Handbook

(Marvins-Underground-K-12) #1
parabolaThe curved line GRAPHformed by plotting a QUADRATIC
EQUATION. The parabola contains a VERTEX, an axis that runs
through the vertex, called the axis of symmetry, around which the
points of the curve of the parabola on either side of the axis are
symmetrical, and has x- and y-intercepts. The parabola curves to
point upward if the COEFFICIENTof the SQUAREDterm is positive,
and downward if it is negative.
paraboloidThe SOLIDof a PARABOLA.
parallel linesTwo or more lines that are exactly the same DISTANCEapart.
Parallel lines cannot intersect.

parallelogram A four-sided PLANEfigure with opposite sides that are parallel
and equal in length.

GLOSSARY parabola – parallelogram


GLOSSARY parabola – parallelogram


O

y

x

Parabola


Parallel lines


Parallelogram

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