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Salsk061 [2.6K]
2 years ago
8

How do you solve this ? Plz help

Mathematics
1 answer:
Stella [2.4K]2 years ago
6 0
Y=-2x-4 will be your answer
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What is the first step in solving the quadratic equation x2 = 9/16
anygoal [31]
The equation is \displaystyle{ x^2= \frac{9}{16}. We can rewrite the equation as:

                                    \displaystyle{ x^2= (\frac{3}{4})^2.

Our next step here is to take the square root of both sides, remembering that \sqrt{x^2}=|x|.

Thus, we have \displaystyle{ |x|= \frac{3}{4}. Our final step is solving the absolute value equation, which yields:

\displaystyle{ x= \frac{3}{4} or \displaystyle{ x= -\frac{3}{4}.


 Solution set: { -\frac{3}{4}, \frac{3}{4} }
8 0
3 years ago
Read 2 more answers
How to solve this question
erica [24]
Multiplication property; distribution property of an exponent. Multiply exponents together, then distribute the ¨( )¨
3 0
2 years ago
Help pls!<br> simplify<br> -6 x^{2} ÷ 12 - 2(-7)<br><br> a. -17<br> b. 35<br> c. -35<br> d. 11
Mariana [72]

Answer:

11

Step-by-step explanation:

Given: \frac{-6^{2}}{12} -2(-7)

Using PEDMAS rule to solve it.

Now, simplifying:

We first open parenthesis which is (-7) = -7

= \frac{-6^2}{12}-2\times -7

Now, we evaluate the exponent which is -6^2=-36

Next, we divide -36 by 12 to get -3

= \frac{-36}{12}-2\times -7 \\= -3 -2\times -7

Next, we multiply -2 and -7 to get 14

= -3 + 14

Lastly, we add -3 and 14 to get 11

= 11

∴ Answer is 11

5 0
3 years ago
Factor the trinomial 2x^2+15x+7
Mashutka [201]

Answer:

(2x+1)(x+7)

Step-by-step explanation:

2x2+15x+7

For a polynomial of the form ax2+bx+c

, rewrite the middle term as a sum of two terms whose product is a⋅c=2⋅7=14 and whose sum is b=15

.

Tap for more steps...

2x2+x+14x+7

Factor out the greatest common factor from each group.

Tap for more steps...

x(2x+1)+7(2x+1)

Factor the polynomial by factoring out the greatest common factor, 2x+1

.

(2x+1)(x+7)

3 0
2 years ago
jada and diego are practing the piano for sn upcoming rehersal the table list the number of minutes each of them practiced in th
Margarita [4]

Answer:

jadas practice time is 168 minutes or 2 hours 48 minutes.  Diegos practice time is 235 minutes or 3 hours 55minutes hope this helps! have a nice day and good luck with your test!

Step-by-step explanation:

4 0
2 years ago
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