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ad-work [718]
4 years ago
12

Is the equation xº -5x + 6 = 0 quadratic in form? Explain why or why not.

Mathematics
1 answer:
Whitepunk [10]4 years ago
6 0

Answer:

Step-by-step explanation:

No because the quadratic form is ax^2 + bx + c = 0. The equation,  xº -5x + 6 = 0, is not in quadratic form because xº is not x^2, yet the rest of the equation follows the quadratic equation template.

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Please answer #4! Thank u
notka56 [123]

Answer: question (4)

its (B)

Step-by-step explanation:

a reflection across the x-axis, then a reflection across the y-axis.

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3 years ago
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Please help asap calculate the slope of the line through the points (6,-8) and (3,-4).
sammy [17]

Answer: y = -4/3x + 0. Yes, that point lies on the line

Step-by-step explanation:

Use this equation, Δy/Δx and this one, y = mx + b. Or, change in the y value divided by the change in the x value.

-4 + 8 = 4

3 - 6 = -3

The slope, m, is -4/3. Now solve for b by plugging in the slope.

-4 = \frac{-4}3 (3) + b. B is equal to 0

To see if that point lies on the function, plug it in the equation and see if it is true. Multiply -4 x -3 to get 12, divide by 3 to get 4, then add 0. The equation says that 4 = 4, which is infact true

5 0
3 years ago
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one mile is about 1.61 kilometers. volcano Mauna Kea is 120 kilometers wide. what is the width of the volcano in miles, rounded
mezya [45]
\frac{1}{1.61} = \frac{x}{120}  \\  \\ 1*120=1.61*x \\  \\ 120=1.61x \\  \\ 74.5=x

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3 0
4 years ago
What is the value of x in 0.8x = 7.2
Ann [662]

Answer:

x = 9

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

0.8x = 7.2

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Divide both sides by 0.8:                    x = 9

<u>Step 3: Check</u>

<em>Plug in x to verify it's a solution.</em>

  1. Substitute:                    0.8(9) = 7.2
  2. Multiply:                        7.2 = 7.2

7.2 does indeed equal 7.2. ∴ x = 9 is a solution.

And we have our final answer!

4 0
3 years ago
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Tell how the Communicative property of addition and the Associative property of addition can help solve the problem mentally 8+(
topjm [15]

Step-by-step explanation:

Communicative property states that, in addition, integers added in any order will still give the same answer.

So in this question,

rather than first adding 8 + (-5), we add 8 + (-8)

We know that a number + its additive Inverse (opposite sign) is equal to zero

And we know any number added to zero is equal to the number.

So we can quickly find out that the sum is -5

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3 years ago
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