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Darina [25.2K]
3 years ago
10

Solve for x in the following: 8x^2 + 6x = -5

Mathematics
1 answer:
artcher [175]3 years ago
8 0

Answer:

No solution or

(-3±2i\sqrt{31})/8

Step-by-step explanation:

To get the solution, move everything to the left side of the equation:

8x²+6x+5 = 0

If you try to factor the equation or graph it, you will see that it will never equal 0.

If you need an imaginary solution you can plug it into the quadratic equation:

-6±\sqrt{36-160} over 16

Simplify and you get

-6±i\sqrt{124} over 16

-6±4i\sqrt{31} over 16

Simplify the fraction and you can get

(-3±2i\sqrt{31})/8

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Answer:

32 divided (10-8) divided by 2-3

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2 years ago
The number on top of a fraction is called the
olga2289 [7]
The number on top of a fraction is the numerator. The number on the bottom of the fraction is the denominator.

Example : 2/3....the 2 is the numerator and the 3 is the denominator
8 0
4 years ago
The graph of g(x) = (1/2)^x is the graph of f(x) = 2^x reflected over the y-axis. Which graph represents g(x)?
Dominik [7]

Answer:

eflect across y axis means that you replace x with -x

f(-x)=2(-x)=-2x

g(x)=-2x

de graph is the one that passes through (0,0) and (1,-2) and -1,2)

Step-by-step explanation:

4 0
4 years ago
Is the square root of any positive number irrational
ser-zykov [4K]
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5 0
3 years ago
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gayaneshka [121]

Answer:

3/4 shall be our slope.

Step-by-step explanation:

You can solve the slope by doing this formula y₂ - y₁ / x₂ - x₁ = slope.

Your coordinates:

(-4,0) and (0,3)

You have to set up your formula:

3 is the y2 and 0 is the y1

3-0 for y so far.


Now, set up the x's

0 is our x2 more known as our second x

Then our x1 is -4

0 - (-4).

Our Formula:

3-0 / 0+4

**Notice the negatives canceled to a positive due to the rule.**

3/4 shall be our slope.

You could've also risen and run starting from (-4,0) to (0,3) to get a slope of 3/4.

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