Select the word statement that best matches the number statement

Mathematics

1 answer:

zheka24 [161]2 years ago

8 0

B I think not sure ......

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Which of the following is best described as sets of three whole numbers (a, b, and c) that satisfy the equation ?

juin [17]

Answer:

Option C

Step-by-step explanation:

The whole numbers a,b and c such that $a^2+b^2 = c^2$ are Pythagorean triples satisfying the Pythagorean theorem.

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3 years ago

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Which expression is equivalent to (5x^7+7x^8) − (4x^4−2x^8)?

I am Lyosha [343]

Simplify step-by-step
$5 {x}^{7} + 7 {x}^{8} - (4 {x}^{4} - 2 {x}^{8} )$
ANSWER
$9 {x}^{8} + 5 {x}^{7} - 4 {x}^{4}$

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3 years ago

a parabola has an x-intercept at 2, its axis of symmetry is the line x=4, and the y-coordinate of its vertex is 6. Determine the

nlexa [21]

Answer:

The standard equation of the parabola is:

$y=-\frac{3}{2}x^2+12x-18$

Step-by-step explanation:

An x intercept of 2 means that the point (2, 0) is in the graph of the parabola.

We can also write the general expression for the parabola in vertex form, since we can use the information on the coordinates of the vertex: (4, 6) - recall that the axis of symmetry of the parabola goes through the parabola's vertex, so the x-value of the vertex must be x=4.

$y-y_{vertex}=a\,(x-x_{vertex})^2\\y-6=a\,(x-4)^2$