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Firdavs [7]
3 years ago
6

How can you tell if the expression 7x-4 and 6x-4-x are equivalent

Mathematics
1 answer:
olga_2 [115]3 years ago
8 0

Answer:

see below

Step-by-step explanation:

7x-4          6x-4-x

Combine like terms on the second expression

7x -4          6x -x -4

                 5x -4

These are not equivalent  expressions

7x -4  does not equal 5x-4

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please just give me the answer is homework please help1)vertex 2)axis of symmetry 3)x-intercepts 4)maximum or minimum 5)max/min
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Answer:

See explanations below

Explanation:

Vertex of a graph is the lowest point on the curve. The vertex occurs at (1.75, -2.5)

The axis of symmetry is the point on the x axis of the line that cuts through the minimum point. The axis of symmetry occurs at x = 1.75

x intercept is the point where the curve cuts the x axis. The x intercept occurs at x = 0 and x = 2.5

To get the minimum, we will use the formula;

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The equation of the curve is expressed as;

(x-0)(x-2.5)

= x (x-2.5)

= x^2 - 2.5x

a = 1, b = -2.5, c = 0

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