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3 years ago

13

PLEASE HELP ME WITH THIS PLEASE AND THANK YOU

2 answers:

Svetllana [295]3 years ago

7 0

Answer:

A. No.

B. Yes

C. Yes

D. Yes

Step-by-step explanation:

Hope it helps!!!!!

shtirl [24]3 years ago

4 0

A. No B. Yes C. Yes D. Yes
explanation: 1 : mathematical relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other. 2 : an equation or function expressing direct variation — compare inverse variation.

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3 years ago

Read 2 more answers

Systems of equations pls help!

timama [110]

Equation 1 + equation 2

3x-8y +(-3x+10y) = 9+(-15)
2y= -6
then y=-3

from equation 1
3x-8y=9
3x-8(-3)=9
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8 0

3 years ago

Find three consecutive even integers such that the sum of the squares of the first two is four less than twice the square of the

velikii [3]

Answer:

the three consecutive even integers are -2, 0, 2

Step-by-step explanation:

Let the first even integer = n

Let the second even integer = n + 2

Let the third even integer = n + 4

From the given statement, we form the equation below

(n²) + (n + 2)² + 4 = 2(n + 4)²

Expand this equation;

n² + (n + 2)(n + 2) + 4 = 2(n + 4)(n + 4)

n² + n² + 2n + 2n + 4 + 4 = 2(n² + 4n + 4n + 16)

2n² + 4n + 8 = 2(n² + 8n + 16)

2n² + 4n + 8 = 2n² + 16n + 32

collect like terms together;

2n² - 2n² + 4n - 16n = 32 - 8

- 12n = 24

-n = 24/12

-n = 2

n = -2

Second integer = n + 2

= -2 + 2 = 0

Third integer = n + 4

= -2 + 4

= 2

Therefore, the three consecutive even integers are -2, 0, 2

6 0

3 years ago

For what real values of $c$ is $x^2 - 8x + c$ the square of a binomial?

nikklg [1K]

Value of c is 16 for which equation $f(x) = x^2-8x+c$ is a square of binomial !

<u>Step-by-step explanation:</u>

Here we meed to find the value of c for which equation f(x) = x^2-8x+c or , $f(x) = x^2-8x+c$ is a square of a binomial . Let's find out:

We know that

⇒ $(x-a)^2 = x^2-2(a)(x)+a^2$ ..........(1)

Let's simplify given equation in question

⇒ $f(x) = x^2-8x+c$

⇒ $f(x) = x^2-2(4)x+c$

Comparing this equation with (1) we get :

$a=4 , c=a^2$

⇒ $c=a^2$

⇒ $c=4^2$

⇒ $c=16$

Therefore , Value of c is 16 for which equation $f(x) = x^2-8x+c$ is a square of binomial !

5 0

3 years ago