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xenn [34]
4 years ago
14

The roots of a quadratic equation depend on the values of the coefficients. True False

Mathematics
1 answer:
oksano4ka [1.4K]4 years ago
6 0

Answer:

True

Step-by-step explanation:

The nature of roots of a quadratic equation are determined by

{b}^{2}  - 4ac

where a, b, and c are the coefficients of the quadratic equation

a {x}^{2}  + bx + c = 0

Therefore it is true that, the roots of a quadratic equation depend on the values of the coefficients.

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QRST is a parallelogram. Find x and y.
Wewaii [24]

In parallelograms, opposite sides are congruent, meaning that they are the same lengths. So, we have:

y - 4x = 9

-x + 4 = y

Add x to both sides of the second equation:

y + x = 4

y - 4x = 9

This is a system of linear equations. Solve by eliminating the y and subtracting the two equations:

5x = -5

x = -1

Use x to solve for y:

y + (-1) = 4

y = 5

So, x = -1 and y = 5.

5 0
3 years ago
Can someone please do 1-9
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Arrange these readers from fastest to slowest Abel read 50 pages in 45 minutes Brian read 90 pages in 75 minutes and Charlie rea
lys-0071 [83]

Answer:

charlie,brian,abel

Step-by-step explanation:

7 0
3 years ago
The median weight of 21 dogs in a pet store is 14 pounds. Which action could CHANGE the median? A) the store gets a new 14-pound
mylen [45]

Answer:

B. the store gets a new 40-pound dog

Step-by-step explanation:

5 0
3 years ago
BRAILEST + THANKS <br> F(x)=x^2+14 and g(x)=x−8<br> Find (f+g)(−1)
Murrr4er [49]

Answer:

Step-by-step explanation:

Disclaimer all solutions need to be verified by the student for accuracy in typos, algebra and calculations.

f(x) = x² + 14      g(x) = x - 2      -1 ?   I think it means evaluate when x = -1

Find (f(x) + g(x))  when x = -1

 (f(x) + g(x))  =   [ ( x² + 14)  +  (x - 2)]        insert f(x)  and g(x)

                    =   [ x² + x + 14 - 2]               add like the term

 (f(x) + g(x))  =   x² + x + 12

(f(-1) + g(-1))  =   (-1)² + (-1) + 12             evaluate at x = -1

                   =    1 - 1 + 12

                   =    12

6 0
3 years ago
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