Please help me with this

Mathematics

1 answer:

DerKrebs [107]3 years ago

3 0

Answer:

slope -1 y intercept is 7

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3 years ago

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X ^ 2 + 4x - 7 = 0 Solve using the Quadratic Formula

aalyn [17]

There's a special case of the quadratic formula called the Shakespeare Quadratic Formula (2b or -2b) that applies when the linear coefficient is even.

$x^2-2Bx + C \textrm{ has zeros }x = B \pm\sqrt{B^2 - C}$

If you're planning on solving a lot of quadratic equations quickly, it's good to know.

Here we have

$x^2 + 4x - 7 = 0$

$x = -2 \pm \sqrt{2^2 - -7}$

$x = -2 \pm \sqrt{11}$

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3 years ago

The equation 3x-6y-2=0 into slope form. Long answer please.

dsp73

The slope form: y = mx + b
We have:
3x - 6y - 2 = 0 |add 6y to both sides
3x - 2 = 6y |divide both sides by 6
3x/6 - 2/6 = 6y/6
x/2 - 1/3 = y
y = 1/2 x - 1/3

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3 years ago

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What is the product of 5.2×<img src="https://tex.z-dn.net/?f=10%5E%7B4%7D" id="TexFormula1" title="10^{4}" alt="10^{4}" align="a

marysya [2.9K]

Answer:

6.76 × 10²

Step-by-step explanation:

5.2 × $10^{4}$ × 1.3 × [/tex]10^{-2}[/tex]