A Jacket is on sale at 15% off the original price of $68 what is the sale price
1 answer:
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Answer:
x = -
Step-by-step explanation:
Given a quadratic equation in standard form , that is
y = ax² + bx + c = 0 ; a ≠ 0
Then the x- coordinate of the vertex is
= -
x² + bx + c = 0 ← is in standard form
with a = 1, b = b, thus
= -