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3 years ago

What is y=−7x+8 y=−7x−8

Mathematics

1 answer:

Alenkasestr [34]3 years ago

8 0

Answer:

these equations create graphs, explain what you need done

Step-by-step explanation:

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2x^5-x^2+1=0<br> can you help me ?<br> slove it in details<br> thanks

netineya [11]

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$\boxed{x = 7}$

Move 1 to the left side of the equation by subtracting it from both sides.

$\sqrt{2x -5 - 2 - 1 = 0 }$

Subtract 1 from -2.

$\sqrt{2x -5 - 3 = 0 }$

Add 3 to both sides of the equation.

$\sqrt{2x - 5 = 3}$

To remove the radical on the left side of the equation, square both sides of the equation.

$\sqrt{2x - 5^3 = 3^2}$

Simplify each side of the equation.

Multiply the exponents in $(( 2x - 5) ^\frac{1}{2})^2$ .

Apply the power rule and multiply exponents, $(a^m)^n = a^mn$

$(2x -5)^\frac{1}{2}.2 = 3^2$

Cancel the common factor of 2.

$(2x - 5)^1 = 3^2$

Simplify.

$2x - 5 = 3^2$

Raise 3 to the power of 2.

$2x - 5 = 9$

Solve for x

Move all terms not containing x to the right side of the equation.

Add 5 to both sides of the equation.

$2x = 9 + 5$

Add 9 and 5.

$2x = 14$

Divide each term by 2 and simplify.

Divide each term in 2x = 14 by 2.

$\frac{2x}{2} = \frac{14}{2}$

Cancel the common factor of 2.

$x = \frac{14}{2}$

Divide 14 by 2.

$x = 7$

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Hope this helped you.

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3 years ago

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There are 8 hamsters at Crazy Pete's Pet Shop that are completely brown. The rest of the hamsters at the shop are mixed colors.

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Which ordered pair is a reflection of (3, 7) across the x-axis?

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4 years ago

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3 years ago

What is y=−7x+8 y=−7x−8 ​

What is y=−7x+8 y=−7x−8