3 years ago

Solve by completing the square: 5x^2 + 20x +32 = 0 (please show work step by step)

Mathematics

1 answer:

marusya05 [52]3 years ago

7 0

5[x²+(2)²—(2)²]+32

5[(x+2)²—4]+32

5(x+2)²—20+32

5(x+2)²+12

Ans

You might be interested in

A triangle has side lengths x, 10, and 7. What are the possible values of x?

rewona [7]

Answer:

7,12.2

Step-by-step explanation:

100+49=149

√149≈12.2

x^2+49=100

x^2=51

7 0

4 years ago

What is the value of x in the equation7x+2y=48 when y=3

ad-work [718]

Substitute y with 3

7x + 2(3) = 48

7x + 6= 48
Minus 6 over
7x = 42
X= 6

Hope this helps!

8 0

3 years ago

Read 2 more answers

The graph of g(x)=(0.75)x+2 is shown.

Andrei [34K]

we are given

$f(x)=(0.75)^x+2$

For finding asymptote , we can find limit

$\lim_{x \to \infty} f(x)= \lim_{x \to \infty}((0.75)^x+2)$

$\lim_{x \to \infty} f(x)= \lim_{x \to \infty} (0.75)^x+\lim_{x \to \infty} 2)$

now, we can solve it

$\lim_{x \to \infty} f(x)= 0+2$

$\lim_{x \to \infty} f(x)= 2$

so, horizontal asymptote is

$y= 2$ .............Answer

6 0

3 years ago

Find the value of a² + b² , when a+ b = 8 and ab = 12

mezya [45]

Answer:

Step-by-step explanation:

6+2=8

6*2=12

$6^{2}$ + $2^{2}$ = 36+4=40

4 0

3 years ago

Read 2 more answers

Which expression is equivalent to 0.25×0.25×0.25×0.25+1.25×1.25×1.25?

Umnica [9.8K]

Answer:

.25^4 + 1.25^3

Step-by-step explanation:

3 0

3 years ago