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ruslelena [56]
3 years ago
9

Select all that apply.

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
3 0
The answer is the 2nd and the last one
OlgaM077 [116]3 years ago
3 0

Answer:

the second and the last one

Step-by-step explanation:

hope it helped :b

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Form quadratic functions given the following information:<br> Zeroes at 4 and –2, f(0)=4
laila [671]

Answer:

f(x)=-0.5x^2+x+4

Step-by-step explanation:

we know that

A quadratic function in factored form is equal to

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where

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f(x)=-0.5(x^2+2x-4x-8)

f(x)=-0.5(x^2-2x-8)

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5 0
3 years ago
Does the graph of the straight line with slope of -3 and y-intercept of -4 pass through the point (-2, 2)?
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Joshua is seven years older than Jason. In seven years from now, the sum of their ages will be 25. What is the sum of their ages
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tensa zangetsu [6.8K]
If the parabola has y = -4 at both x = 2 and x = 3, then since a parabola is symmetric, its axis of symmetry must be between x = 2 and x = 3, or at x = 5/2. Our general equation can then be:
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Substitute (1, -2): -2 = a(-3/2)^2 + k
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Substitute (2, -4): -4 = a(-1/2)^2 + k
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Subtracting: 2 = 2a, so a = 1. Substituting back gives k = -17/4.
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Expanding: y = x^2 - 5x + 25/4 - 17/4
y = x^2 - 5x + 2 (This is the standard form.)
5 0
3 years ago
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