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Introductory and Intermediate Algebra for College Students

Will help you prepare for the material covered in the next section.

a. Solve by factoring: $8 x^{2}+2 x-1=0$

b. The quadratic equation in part (a) is in the standard form $a x^{2}+b x+c=0$. Compute $b^{2}-4 a c .$ Is $b^{2}-4 a c$ a perfect square?