2) x2 + 9x - 10 = 0 2.1)
2.2) What is the exact value of the DISCRIMINANT? b2 - 4ac =
*Type this into your calculator* -
O2 - 400
2.3) Which type of SOLUTIONS does this parabola have ? =
(REAL or IMAGINARY)
2.4) Why ? (* Remember to think about the SQUARE ROOT symbol * ) =

= − ± 2 − 4 √ 2 x=\frac{-{\color{#e8710a}{b}} \pm \sqrt{{\color{#e8710a}{b}}^{2}-4{\color{#c92786}{a}}{\color{#129eaf}{c{2{\color{#c92786}{a}}} x=2a−b±b2−4ac​​ Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula. 2 + 9 − 1 0 = 0 x^{2}+9x-10=0 x2+9x−10=0 = 1 a={\color{#c92786}{1}} a=1 = 9 b={\color{#e8710a}{9}} b=9 = − 1 0 c={\color{#129eaf}{-10}} c=−10 = − 9 ± 9 2 − 4 ⋅ 1 ( − 1 0 ) √ 2 ⋅ 1 2

Step-by-step explanation:

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