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Karolina [17]
3 years ago
10

Which of the following could be the solution set to 8x² - 2x = 1?

Mathematics
2 answers:
Elanso [62]3 years ago
7 0
The answer is B: (-1/4, 1/2)

Ray Of Light [21]3 years ago
4 0

Answer:

\text{The solution set is }\{\frac{-1}{4}, \frac{1}{2}\}

Step-by-step explanation:

Given the equation

8x^2-2x=1

we have to find the solution of above equation.

Expression: 8x^2-2x=1

8x^2-2x-1=0

8x^2-4x+2x-1=0

4x(2x-1)+1(2x-1)=0

(4x+1)(2x-1)=0

x=\frac{-1}{4}, \frac{1}{2}

\text{The solution set is }\{\frac{-1}{4}, \frac{1}{2}\}

Option B is correct

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3 years ago
Equation to find original price if sale price of $429 is a 34% discount
Burka [1]

Answer:

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Step-by-step explanation:

There's an actual algebra method for this, but this is my method because I find it way easier to remember.

Since the most you can discount out of an item is 100% (well, it's considered free then) let's subtract 100 - 34, which is 66.

Now, turn it into a decimal because it makes the numbers easier- 0.66.

Since when you're finding the discount of an original price, you multiply the original price by the discount- instead for finding the original price for a discounted item we divide $429 by 0.66 instead, since when you divide a number by another number that's under 1 the quotient is a larger number.

So, 429 ÷ 0.66 = 650.

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7 0
2 years ago
Can someone please help me on this ty!!
AVprozaik [17]
-1
3/4
1/2
Hope this helps
8 0
3 years ago
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