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Airida [17]
3 years ago
5

Put the equation below in the form ax2 + bx + c = 0. Enter exponents using the caret ( ^ ). For example, you would enter 4x2 as

4x^2.
x^2+2x+9=2
Mathematics
1 answer:
fenix001 [56]3 years ago
5 0

Answer:

x^2 + 2x + 7 = 0

Step-by-step explanation:

x^2 + 2x + 9 = 2

To get 0 in the RHS, subtract 2 from both sides.

x^2 + 2x + 9 - 2 = 2-2

Then u get

x^2 + 2x + 7   = 0 which is your answer:)

Hope it helps...

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What does dependent and independent variables mean
denpristay [2]

Answer:

independent is the y value or the value that changes at a steady rate no matter what, the dependent variable or x is the variable that is subject to change and is dependent on the y value to find a pattern

Step-by-step explanation:

7 0
3 years ago
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Perfect pizza has 16 toppings listed on their menu. how many ways could a customer choose a pizza that contains 5 different topp
marishachu [46]

Answer:

4368 ways

Step-by-step explanation:

Use nCk for this. 16C5. This is \frac{n!}{(n-k)!(k!)}. This becomes\frac{16!}{(11!)(5!)}. This is \frac{16*15*14*13*12}{5*4*3*2*1} due to 16! and 5! canceling out. This becomes 4368.

3 0
2 years ago
Give the equation of a line that goes through the point ( − 24 , 2 ) and is perpendicular to the line 8 x + 3 y = − 6 . Give you
Studentka2010 [4]

Answer:

y=\frac{3}{8}x+11

Step-by-step explanation:

To find a line that is perpendicular to 8x + 3y = -6 and goes through (-24, 2), lets first find what the line's slope would be.

We can find this by finding the slope of 8x + 3y = -6 and taking the negative reciprocal of it.

We can find the slope of that line by putting it in slope-intercept form:

8x + 3y = -6

Subtract 8x from both sides.

3y = -6 - 8x

Divide both sides by 3.

y=-\frac{6}{3}-\frac{8}{3}x

y=-\frac{8}{3}x-2

So the slope of that line would be -8/3.

The negative reciprocal of -8/3 would be 3/8.

Now we know that the new line would have to pass through the point (-24, 2). We can use this point and write the equation in point-slope form:

y-2=\frac{3}{8}(x+24)

Now lets change this into slope-intercept form. Add 2 to both sides.

y=\frac{3}{8}(x+24) +2

Distribute the 3/8.

y=\frac{3}{8}x+9+2

Simplify.

y=\frac{3}{8}x+11

And now we have our equation in slope-intercept form.

I hope you find this helpful.

5 0
3 years ago
The first term of a sequence is -12. The recursive formula for the sequence is an = an-1 + 9. What are the next 3 terms in the s
Bess [88]
The next three terms are: -3, 6, and 15

To get each new term, we simply add 9 to the last term. So we add 9 to -12 to get -3. Then we add 9 to -3 to get 6. Finally we add 9 to 6 to get 15

In other words,
first term = -12
second term = first term+9 = -12+9 = -3
third term = second term + 9 = -3+9 = 6
fourth term = third term + 9 = 6+9 = 15

This process repeats forever though we only need three terms in this case.

So that's why the answer is the three values -3, 6 and 15
8 0
3 years ago
2.) A bookshelf contains seven math textbooks and three science
sergejj [24]
B 3 out of 10 is correct
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