Which equation has the solutions x=5+2squareroot7/3?

Mathematics

1 answer:

MaRussiya [10]3 years ago

4 0

Many will have this answer. One of which would be:

$3 (\frac{x-5}{2})^{2} = 7$

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For the function y = -2x + 4, the input is 3. What is the output?

timama [110]

Answer:

The output is -2 when the input is 3.

Step-by-step explanation:

You're actually being asked to evaluate y = -2x + 4 at x = 3. x is the 'input' and y is the 'output.'

At x = 3, y = -2(3) + 4 = -2

The output is -2 when the input is 3.

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3 years ago

A triangle in the coordinate plane has coordinates of (2,3), (-4,-5), and (-2, 4). It is reflected about the y-axis. What are it

gulaghasi [49]

Note that when a point P(a, b) is reflected with respect to the y-axis, the y coordinate does not change, while a becomes -a.

So the reflection of a point P(a, b) with respect to the y-axis is the point P'(-a, b).

According to this, the projections of the points (2,3), (-4,-5), and (-2, 4) are the points the points (-2,3), (4,-5), and (2, 4).

Answer: A

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4 years ago

Read 2 more answers

Drag numbers to complete the table for missing values of x, x2, and x3.

Scorpion4ik [409]

Answer: The filled out table is shown in the attachment below

Row 1 = 2, 4, 8

Row 2 = 6, 36, 216

=======================================================

Explanation:

In the first row we have x^2 = 4. Apply the square root to both sides to get x = 2. It appears your teacher is making x positive.

So we'll have 2 in the first box of row 1.