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disa [49]
3 years ago
13

What are the solutions for x when y is equal to 0 in the following quadratic

Mathematics
1 answer:
Scrat [10]3 years ago
5 0

Answer: Option C

Step-by-step explanation:

Given the quadratic equation y = x^2 - 13x, substitute y=0:

 0 = x^2 - 13x

In this case, to find the solutions of the given quadratic equation, you must factor out the variable "x". Then:

0=x(x-13)

Therefore, you get that the solutions of this equation are the following:

x=0\\\\\\x-13=0\\x=13

Then, the answer is:

x = 0\ or\ x = 13

This matches with the option C.

You might be interested in
Write the equation (in point-slope form) for the line parallel to y = x + 4 and passes
Tanya [424]

Answer:

y = x-7

Step-by-step explanation:

<u>Step 1:  Write the equation in point-slope form</u>

Point Slope Form:  y-y_{1}=m\left(x-x_{1}\right)

<u>Plug in the numbers and solve</u>

<u />y - (-2) = 1(x - 5)

y + 2 = x - 5

y + 2 - 2 = x - 5 - 2

y = x-7

Answer:  y = x-7

8 0
3 years ago
Read 2 more answers
A bank offers an interest rate of 4% on a savings account . Write 4% as a decimal.
Gekata [30.6K]

0.04


Hope this helps & good luck. :)

5 0
3 years ago
Read 2 more answers
Use the equation 2,401 = 76 – 2x. What power of 7 is 2,401?
zaharov [31]
Comment
I'm going to take a guess at this and say what you meant is  2401 = 7^(6 - 2x)

Step One
Find out the power of 7 that will equal 2401. 
You could do it like this.
7^y = 2401 and just guess at some values.

y      7^y
1      7
2      49
3      7 * 7 * 7 = 343
4      7 * 7 * 7 * 7 = 2401  So the answer is 4

7^4 = 2401

Step 2 
Equate the powers.
2401 = 7^(6 - 2x)
7^4 = 7^ (6 - 2x)
4 = 6 - 2x  Subtract 6 from both sides.
4 - 6 = - 2x 
-2 = - 2x divide by - 2
-2/-2 = x
x = 1 <<<<<<<<<<<<<answer

7 0
4 years ago
Read 2 more answers
How do I factor 8v2-8v-448=0?
Shtirlitz [24]
Factor it should be
8(v-8)(v+7)
3 0
3 years ago
Plz help!
GuDViN [60]

Answer:

5x - y = 27

Step-by-step explanation:

Slope is the direction of line and it is calculated as,

Slope = \frac{y-y_{1}}{x-x_{1}}&#10;

where (x₁, y₁) is any two points on the line.

Here, we have given that

Slope = 5  and (x₁, y₁) = (5, -2)

∴  5 = \frac{y-(-2)}{x-5}&#10;

⇒ 5(x - 5) = y + 2

⇒ 5x - 25 = y + 2

⇒ 5x - y = 27

Hence, the equation of a line is: 5x - y = 27

5 0
3 years ago
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