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Lesechka [4]
3 years ago
8

Solve 2x^2 + 26 = 0 to identify the roots

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
4 0
2x^2=-26
x^2=-13
x=(+/-)sqrt(13)i
Serggg [28]3 years ago
4 0

Answer:

2nd and 3rd part of the problem:

The roots are imaginary because of the NEGATIVE RADICAND

There are two roots because of the NEED TO IDENTIFY + AND- ROOTS OF THE RADICAND


Step-by-step explanation:


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4. What is the equation of line passing through (-2,4) and parallel to the line y<br> + 3x = 4?
aliya0001 [1]

Answer:

y=-3x-2

Step-by-step explanation:

step 1- find the slope

parallel to means same slope, so look at y+3x=4, its not in the correct slope form so we subtract both sides by 3x to get y=-3x+4, the slope is the coefficient of x which is -3. Slope equals 3

step 2- use the point slope form which is y-y1=m(x-x1)

and substitute in the numbers (only substitute y1,x1, and m)

m is the slope which we found to equal -3

x1 and y1 are the points that they gave us (-2,4) are (x1,y1)

x1=-2

y1=4

step 3- substitute

y-y1=m(x-x1)

y-4=-3(x-(-2))

simplifies to y-4=-3x-6

add 4 to both sides to get y=-3x-2

8 0
3 years ago
5(6-3)=6+3 show ur work
Alex

Answer:

No Solution

Step-by-step explanation:

Simplify  6−3  to  3.

5×3=6+3

Simplify 5×3  to 15.

15=6+3

Simplify  6+3 to 9.

15=9

Since 15=9 is false, there is no solution.

<em>No Solution </em>

6 0
3 years ago
Read 2 more answers
Students returning to a secondary school have to pass through a check point at the rate of 50 per though. The average time for c
Pavlova-9 [17]
I think its 101010183727382
4 0
2 years ago
Read 2 more answers
Suppose y varies directly with x and inversely with z. When x= 65 and z=5​, then y= 26. Find the constant of variation and the e
Doss [256]

Answer:y = 65x/z

Step-by-step explanation:

Suppose y varies directly with x and inversely with z. It means that as y increases or decreases, y increases or decreases while z decreases or increases respectively.

In order to remove the variation symbol and replace with an equation symbol, we would introduce a constant of variation, k. It becomes

y = kx/z

When x= 65 and z=5​, then y= 26. We would substitute these value to get the constant of variation, k. It becomes

26 = 65k/5

65k = 65

k = 1

The equation of combined variation will be

y = 65x/z

6 0
3 years ago
Please help!
Masteriza [31]

Answer:

The vertical line test is basically a way to determine whether or not a graph is a function.  All three of the options are accurate, so I would select all three.

Let me know if you have any other questions!

5 0
3 years ago
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