EVALUATION A AND B ANSWER THIS THANKYOU
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Quadratic Formula: x = −b ± √b²-4ac/2a
Specifically used for determining the x-intercepts of a quadratic (parabolic) equation.
For example: A = 1, B = 4, C = 4
x = -4 ± √4² – 4 (1)(4) / 2(1)
x = -4 ± √ 16 – 4(4) / 2
x = -4 ± √16 – 16 / 2
x = -4 ± √ 0 / 2
x = -4 / 2
x = -2
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