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Ber [7]
3 years ago
9

Help me please!!!!!!!!

Mathematics
2 answers:
nlexa [21]3 years ago
8 0

Answer:

D y= ax^2 + bx+c = 0

Step-by-step explanation:

The standard form of a quadratic equation is

ax^2 + bx+c = 0

x = -b/2a is the equation for the line of symmetry

a quadratic is a parabola, but that is not the standard form

vertex is the minimum or maximum of the parabola

DedPeter [7]3 years ago
7 0
I think it’s d for the standard equation
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Answer:

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Step-by-step explanation:

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perimeter =314m

314=2(l+72)

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2x + 3y = -6 (Subtract 2x from both sides)
3y = -2x - 6 (Divide both sides by 3 to isolate x) which will give you y = -2/3x - 2 and this graphed would cross the x-axis at (-3,0) and the y-axis at (0, -2). So a + b = -5
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