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Vlada [557]
3 years ago
6

Use quadratic equation to find the roots of the following equations

Mathematics
2 answers:
AleksAgata [21]3 years ago
8 0
3x - 1 = -2x^2
= 2x^2 + 3x -1
= -+ 3√3^2 - (4)(2)(-1)/ 2x2
-+3√9+8/ 4
-+3√ 17/4
-+3√ 4.5
-3√4.5. or +3√4.5
-3 + 2.121 or. +3+2.121
x = -0.869 or x= 5.121


hope it helps
sertanlavr [38]3 years ago
3 0
See the attachment below.

Hope it helps!

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Find the equation of the line perpendicular to the line x=9 that passes through the point (9,-1)
tia_tia [17]

Answer:

y = -1

Step-by-step explanation:

Notice that the line x = 9 is a vertical line, therefore a line perpendicular to it will be a horizontal line of the form y = constant number.

Since we want it to go through the point (9, -1), then we know that that y value needs to be "-1", and the equation of the line will be given by the expression:

y = -1

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3 years ago
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What is 21/56 simplified
lozanna [386]
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sasho [114]
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7 0
2 years ago
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Pi x 36 - 16<br> Need help on this please answer appropriate.
Bad White [126]

Answer:

To do this question, we must first convert Pi to a decimal form, as shown below:

Pi = 3.14

So then our equation becomes:

3.14 x 36 - 16

We still need to remember PEMDAS.

Parentheses, Exponents, Multiplication, Division, Addition and Subtraction.

So according to PEMDAS, we need to do 3.14 x 36, which equals 113.04

Now we have to do:

113.04 - 16 = 97.04

Our answer is 97.04

<u><em>Hope this helps - genius423</em></u>

4 0
2 years ago
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