solving quadratics by ractorinq · of a quadratic equation by factoring, rather than graphing....
TRANSCRIPT
0Name:
Topic:
Main Ideas/Questjons
SOLVING
QUADRATICS
By ractorinq
Date:
Class:
NoiesJExamples
In many cases, we can find the solutions (or roots, zeros, x-intercepfs)Of a quadratic equation by factoring, rather than graphing. Follow the
steps below to find the solutions of the given equation by factoring.
O Set the quadratic equation equal io 0.Given: y = x2 + 3x—10
O Factor the left side,
oSet each factor equal to 0 andsolve each factor for x.
O Write your answer using curly braces.
Directions: Solve the 'following quadratic equations byfacforing.
YOUlox2+4x+3=o
2.
30 10x+ 21 = o
6.e-gx=o
x2 -x- 20 = o